313520620 has 36 divisors (see below), whose sum is σ = 765888480. Its totient is φ = 107492448.

The previous prime is 313520617. The next prime is 313520633. The reversal of 313520620 is 26025313.

It is a junction number, because it is equal to n+sod(n) for n = 313520591 and 313520600.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158980 + ... + 160939.

It is an arithmetic number, because the mean of its divisors is an integer number (21274680).

Almost surely, 2^313520620 is an apocalyptic number.

It is an amenable number.

313520620 is an abundant number, since it is smaller than the sum of its proper divisors (452367860).

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

313520620 is a wasteful number, since it uses less digits than its factorization.

313520620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319942 (or 319933 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 313520620 is about 17706.5134908033. The cubic root of 313520620 is about 679.3423717095.

Adding to 313520620 its reverse (26025313), we get a palindrome (339545933).

The spelling of 313520620 in words is "three hundred thirteen million, five hundred twenty thousand, six hundred twenty".