313131795760 has 40 divisors (see below), whose sum is σ = 832035915936. Its totient is φ = 107359472640.

The previous prime is 313131795721. The next prime is 313131795773. The reversal of 313131795760 is 67597131313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 313131795760.

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 7 ways as a sum of consecutive naturals, for example, 279581401 + ... + 279582520.

Almost surely, 2^313131795760 is an apocalyptic number.

It is an amenable number.

313131795760 is an abundant number, since it is smaller than the sum of its proper divisors (518904120176).

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

313131795760 is a wasteful number, since it uses less digits than its factorization.

313131795760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559163941 (or 559163935 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 46.

The spelling of 313131795760 in words is "three hundred thirteen billion, one hundred thirty-one million, seven hundred ninety-five thousand, seven hundred sixty".