313311656812 has 48 divisors (see below), whose sum is σ = 690357346560. Its totient is φ = 120860856000.

The previous prime is 313311656797. The next prime is 313311656821. The reversal of 313311656812 is 218656113313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004762 + ... + 5066977.

It is an arithmetic number, because the mean of its divisors is an integer number (14382444720).

Almost surely, 2^313311656812 is an apocalyptic number.

It is an amenable number.

313311656812 is an abundant number, since it is smaller than the sum of its proper divisors (377045689748).

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

313311656812 is a wasteful number, since it uses less digits than its factorization.

313311656812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071862 (or 10071860 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The spelling of 313311656812 in words is "three hundred thirteen billion, three hundred eleven million, six hundred fifty-six thousand, eight hundred twelve".