313713520 has 40 divisors (see below), whose sum is σ = 736921584. Its totient is φ = 124188672.

The previous prime is 313713493. The next prime is 313713527. The reversal of 313713520 is 25317313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313713527) 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, 12454 + ... + 27973.

Almost surely, 2^313713520 is an apocalyptic number.

It is an amenable number.

313713520 is an abundant number, since it is smaller than the sum of its proper divisors (423208064).

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

313713520 is a wasteful number, since it uses less digits than its factorization.

313713520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40537 (or 40531 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 313713520 is about 17711.9598012191. The cubic root of 313713520 is about 679.4816695933.

The spelling of 313713520 in words is "three hundred thirteen million, seven hundred thirteen thousand, five hundred twenty".