Base | Representation |
---|---|
bin | 1110001111110111000110… |
… | …01100010110010001100111 |
3 | 11002221020120101101120110000 |
4 | 13013323203030112101213 |
5 | 13101313002044401043 |
6 | 150345222453232343 |
7 | 6412416620252202 |
oct | 707734314262147 |
9 | 132836511346400 |
10 | 31331303122023 |
11 | 9a8a592897123 |
12 | 36202720326b3 |
13 | 14636b588a7a8 |
14 | 7a462c074939 |
15 | 394eebe332d3 |
hex | 1c7ee3316467 |
31331303122023 has 40 divisors (see below), whose sum is σ = 46920144348000. Its totient is φ = 20835526828032.
The previous prime is 31331303121949. The next prime is 31331303122043. The reversal of 31331303122023 is 32022130313313.
31331303122023 is a `hidden beast` number, since 3 + 1 + 331 + 303 + 1 + 2 + 2 + 0 + 23 = 666.
It is not a de Polignac number, because 31331303122023 - 212 = 31331303117927 is a prime.
It is a super-2 number, since 2×313313031220232 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31331303122043) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 140381943 + ... + 140604951.
It is an arithmetic number, because the mean of its divisors is an integer number (1173003608700).
Almost surely, 231331303122023 is an apocalyptic number.
31331303122023 is a deficient number, since it is larger than the sum of its proper divisors (15588841225977).
31331303122023 is a wasteful number, since it uses less digits than its factorization.
31331303122023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227333 (or 227324 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 31331303122023 its reverse (32022130313313), we get a palindrome (63353433435336).
The spelling of 31331303122023 in words is "thirty-one trillion, three hundred thirty-one billion, three hundred three million, one hundred twenty-two thousand, twenty-three".
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