316380520 has 16 divisors (see below), whose sum is σ = 711856260. Its totient is φ = 126552192.

The previous prime is 316380511. The next prime is 316380551. The reversal of 316380520 is 25083613.

It can be written as a sum of positive squares in 2 ways, for example, as 294534244 + 21846276 = 17162^2 + 4674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3954717 + ... + 3954796.

Almost surely, 2^316380520 is an apocalyptic number.

It is an amenable number.

316380520 is an abundant number, since it is smaller than the sum of its proper divisors (395475740).

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

316380520 is a wasteful number, since it uses less digits than its factorization.

316380520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909524 (or 7909520 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 316380520 is about 17787.0885757057. The cubic root of 316380520 is about 681.4017508927.

The spelling of 316380520 in words is "three hundred sixteen million, three hundred eighty thousand, five hundred twenty".