| Nominal | 51131 |
| Cardinal | fifty-one thousand one hundred thirty-one |
Cardinal fifty-one thousand one hundred thirty-one | |
| Ordinal | 51,131st |
| Number of digits | 5 |
| Sum of digits | 11 |
| Product of digits | 15 |
| Number parity | Odd |
| Prime factorization | 51131 |
| Prime factors | 51131 |
| Number of distinct prime factors ω(n) | 1 |
| Total number of prime factors Ω(n) | 1 |
| Sum of prime factors | 51131 |
| Product of prime factors | 51131 |
| Is 51131 a prime number? | Yes |
| Is 51131 a semiprime number? | No |
| Is 51131 a Chen prime number? | Yes |
| Is 51131 a Mersenne prime number? | No |
| Is 51131 a Catalan number? | No |
| Is 51131 a Fibonacci number? | No |
| Is 51131 a Idoneal number? | No |
| Square of 51131 (n2) | 2614379161 |
| Cube of 51131 (n3) | 133675820881091 |
| Square root of 51131 | 226.12164867611 |
| Natural Logarithm (ln) of 51131 | 10.842146245872 |
| Decimal Logarithm (log) of 51131 | 4.7086842865704 |
| Sine of 51131 | -0.99996157449092 |
| Cosecant of 51131 | -1.0000384269857 |
| Cosine of 51131 | 0.0087663870341267 |
| Secant of 51131 | 114.07207965004 |
| Tangent of 51131 | -114.06769637231 |
| Cotangent of 51131 | -0.0087667238999555 |
| The spelling of 51131 in words is "fifty-one thousand one hundred thirty-one", meaning that: |
| 51131 is not an aban number (as it contains the letter a) |
| 51131 is not an eban number (as it contains the letter e) |
| 51131 is not an iban number (as it contains the letter i) |
| 51131 is not an oban number (as it contains the letter o) |
| 51131 is not a tban number (as it contains the letter t) |
| 51131 is not an uban number (as it contains the letter u) |
| Bengali numerals | ৫১১৩১ |
| Eastern Arabic numerals | ٥١٬١٣١ |
| Hieroglyphs numeralsused in Ancient Egypt | 𓂭𓂭𓂭𓂭𓂭𓆼𓍢𓎈𓏺 |
| Khmer numerals | ៥១១៣១ |
| Japanese numerals | 五万千百三十一 |
| Roman numerals | n/a |
| Thai numerals | ๕๑๑๓๑ |
| Arabic | واحد و خمسون ألف و مائة و واحد و ثلاثون |
| Croatian | pedeset i jedna tisuća sto trideset i jedan |
| Czech | padesát jedna tisíc sto třicet jeden |
| Danish | en og halvtreds tusinde et hundrede en og tredive |
| Dutch | éénenvijftigduizend honderdéénendertig |
| Estonian | akpe blaatɔ̃ vɔ ɖekɛ alafa ɖeka blaetɔ̃ vɔ ɖekɛ |
| Faroese | fimmtieitt tusin og eitthundraðogtríatiein |
| Filipino | limáng pû’t isáng libó’t isáng daán at tatlóng pû’t isá |
| Finnish | viisikymmentäyksituhattasatakolmekymmentäyksi |
| French | cinquante et un mille cent trente et un |
| Greek | πενήντα μία χίλιάδες εκατόν τριάντα ένα |
| German | einundfünfzigtausendeinhunderteinunddreißig |
| Hebrew | חמישים ואחד אלף מאה שלושים ואחת |
| Hindi | इक्यावन हज़ार एक सौ इकतीस |
| Hungarian | ötvenegyezerszázharmincegy |
| Icelandic | fimmtíu og eitt þúsund og eitthundrað og þrjátíu og einn |
| Indonesian | lima puluh satu ribu seratus tiga puluh satu |
| Italian | cinquant e unmilacentotrentuno |
| Japanese | 五万千百三十一 |
| Korean | 오만 천백삼십일 |
| Latvian | piecdesmit viens tūkstoši simt trīsdesmit viens |
| Lithuanian | penkiasdešimt vienas tūkstantis šimtas trisdešimt vienas |
| Norwegian | femtiett tusen hundre og trettién |
| Persian | پنجاه و یک هزار و صد و سی و یک |
| Polish | pięćdziesiąt jeden tysięcy sto trzydzieści jeden |
| Portuguese | cinquenta e um mil cento e trinta e um |
| Romanian | cincizeci şi una mii una sută treizeci şi unu |
| Russian | пятьдесят одна тысяча сто тридцать один |
| Serbian | педесет и једна хиљада сто тридесет и један |
| Slovak | päťdesiatjedna tisíc jednasto tridsaťjeden |
| Slovene | petdeset ena tisuću sto trideset ena |
| Spanish | cincuenta y un mil ciento treinta y uno |
| Swahili | elfu hamsini na moja, mia moja na thelathini na moja |
| Swedish | femtioentusenenhundratrettioen |
| Thai | ห้าหมื่นหนึ่งพันหนึ่งร้อยสามสิบเอ็ด |
| Turkish | elli bir bin yüz otuz bir |
| Ukrainian | пʼятдесят одна тисяча сто тридцять один |
| Vietnamese | năm mươi mốt nghìn một trăm ba mươi mốt |
| Number 51131 reversed | 13115 | |
| Unicode Character | U+C7BB | 잻 |
| Unix Timestamp | Thu, 01 Jan 1970 14:12:11 +0000 | |