312531626256 has 20 divisors (see below), whose sum is σ = 807373367952. Its totient is φ = 104177208736.

The previous prime is 312531626227. The next prime is 312531626273. The reversal of 312531626256 is 652626135213.

It is a happy number.

312531626256 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3255537726 + ... + 3255537821.

Almost surely, 2^312531626256 is an apocalyptic number.

It is an amenable number.

312531626256 is an abundant number, since it is smaller than the sum of its proper divisors (494841741696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312531626256 is a wasteful number, since it uses less digits than its factorization.

312531626256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511075558 (or 6511075552 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The spelling of 312531626256 in words is "three hundred twelve billion, five hundred thirty-one million, six hundred twenty-six thousand, two hundred fifty-six".