313351320 has 64 divisors (see below), whose sum is σ = 961931520. Its totient is φ = 81615744.

The previous prime is 313351307. The next prime is 313351331. The reversal of 313351320 is 23153313.

It is a congruent number.

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, 25204 + ... + 35523.

It is an arithmetic number, because the mean of its divisors is an integer number (15030180).

Almost surely, 2^313351320 is an apocalyptic number.

313351320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313351320 is an abundant number, since it is smaller than the sum of its proper divisors (648580200).

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

313351320 is a wasteful number, since it uses less digits than its factorization.

313351320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60784 (or 60780 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 313351320 is about 17701.7321186374. The cubic root of 313351320 is about 679.2200688853.

The spelling of 313351320 in words is "three hundred thirteen million, three hundred fifty-one thousand, three hundred twenty".