313457985368 has 32 divisors (see below), whose sum is σ = 641190332160. Its totient is φ = 142475064480.

The previous prime is 313457985367. The next prime is 313457985409. The reversal of 313457985368 is 863589754313.

It is a self number, because there is not a number n which added to its sum of digits gives 313457985368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313457985367) 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, 2669021 + ... + 2783987.

It is an arithmetic number, because the mean of its divisors is an integer number (20037197880).

Almost surely, 2^313457985368 is an apocalyptic number.

It is an amenable number.

313457985368 is an abundant number, since it is smaller than the sum of its proper divisors (327732346792).

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

313457985368 is a wasteful number, since it uses less digits than its factorization.

313457985368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145967 (or 145963 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 62.

The spelling of 313457985368 in words is "three hundred thirteen billion, four hundred fifty-seven million, nine hundred eighty-five thousand, three hundred sixty-eight".