Base | Representation |
---|---|
bin | 1110000110100110010001… |
… | …10001101000011100011000 |
3 | 11001210211001112202012021021 |
4 | 13003103020301220130120 |
5 | 13031104142234043112 |
6 | 145543105041452224 |
7 | 6350421565210363 |
oct | 703231061503430 |
9 | 131724045665237 |
10 | 31013032331032 |
11 | 997760a274164 |
12 | 358a649941074 |
13 | 143c6936b976b |
14 | 7930785770da |
15 | 38bac072b907 |
hex | 1c34c8c68718 |
31013032331032 has 128 divisors (see below), whose sum is σ = 63022259520000. Its totient is φ = 14259832344576.
The previous prime is 31013032331009. The next prime is 31013032331059. The reversal of 31013032331032 is 23013323031013.
It is a super-2 number, since 2×310130323310322 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31013032330988 and 31013032331006.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1183283944 + ... + 1183310152.
It is an arithmetic number, because the mean of its divisors is an integer number (492361402500).
Almost surely, 231013032331032 is an apocalyptic number.
It is an amenable number.
31013032331032 is an abundant number, since it is smaller than the sum of its proper divisors (32009227188968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31013032331032 is a wasteful number, since it uses less digits than its factorization.
31013032331032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27393 (or 27389 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 25.
Adding to 31013032331032 its reverse (23013323031013), we get a palindrome (54026355362045).
The spelling of 31013032331032 in words is "thirty-one trillion, thirteen billion, thirty-two million, three hundred thirty-one thousand, thirty-two".
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