Base | Representation |
---|---|
bin | 11101001010001110… |
… | …001011001110001000 |
3 | 2222211001021211221212 |
4 | 131022032023032020 |
5 | 1003110330013112 |
6 | 22214505552252 |
7 | 2155614421562 |
oct | 351216131610 |
9 | 88731254855 |
10 | 31310001032 |
11 | 12307752212 |
12 | 60997a5688 |
13 | 2c4c8c223b |
14 | 1730410332 |
15 | c33b42522 |
hex | 74a38b388 |
31310001032 has 32 divisors (see below), whose sum is σ = 60741446400. Its totient is φ = 15112474944.
The previous prime is 31310001031. The next prime is 31310001049. The reversal of 31310001032 is 23010001313.
It is a junction number, because it is equal to n+sod(n) for n = 31310000998 and 31310001016.
It is not an unprimeable number, because it can be changed into a prime (31310001031) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048603 + ... + 2063829.
It is an arithmetic number, because the mean of its divisors is an integer number (1898170200).
Almost surely, 231310001032 is an apocalyptic number.
It is an amenable number.
31310001032 is a deficient number, since it is larger than the sum of its proper divisors (29431445368).
31310001032 is a wasteful number, since it uses less digits than its factorization.
31310001032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24125 (or 24121 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 31310001032 its reverse (23010001313), we get a palindrome (54320002345).
The spelling of 31310001032 in words is "thirty-one billion, three hundred ten million, one thousand, thirty-two".
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