316386512 has 20 divisors (see below), whose sum is σ = 660153060. Its totient is φ = 146024448.

The previous prime is 316386479. The next prime is 316386523. The reversal of 316386512 is 215683613.

It can be written as a sum of positive squares in 2 ways, for example, as 169104016 + 147282496 = 13004^2 + 12136^2 .

It is a super-2 number, since 2×316386512² = 200200849951052288, which contains 22 as substring.

It is a congruent number.

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, 760337 + ... + 760752.

It is an arithmetic number, because the mean of its divisors is an integer number (33007653).

Almost surely, 2^316386512 is an apocalyptic number.

It is an amenable number.

316386512 is an abundant number, since it is smaller than the sum of its proper divisors (343766548).

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

316386512 is a wasteful number, since it uses less digits than its factorization.

316386512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521110 (or 1521104 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 316386512 is about 17787.2570116924. The cubic root of 316386512 is about 681.4060526046.

The spelling of 316386512 in words is "three hundred sixteen million, three hundred eighty-six thousand, five hundred twelve".