316320920 has 16 divisors (see below), whose sum is σ = 711722160. Its totient is φ = 126528352.

The previous prime is 316320919. The next prime is 316320923. The reversal of 316320920 is 29023613.

It is a self number, because there is not a number n which added to its sum of digits gives 316320920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316320923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3953972 + ... + 3954051.

It is an arithmetic number, because the mean of its divisors is an integer number (44482635).

Almost surely, 2^316320920 is an apocalyptic number.

It is an amenable number.

316320920 is an abundant number, since it is smaller than the sum of its proper divisors (395401240).

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

316320920 is a wasteful number, since it uses less digits than its factorization.

316320920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908034 (or 7908030 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 316320920 is about 17785.4131242431. The cubic root of 316320920 is about 681.3589605477.

The spelling of 316320920 in words is "three hundred sixteen million, three hundred twenty thousand, nine hundred twenty".