316861012 has 12 divisors (see below), whose sum is σ = 597161236. Its totient is φ = 146243520.

The previous prime is 316861009. The next prime is 316861057. The reversal of 316861012 is 210168613.

It can be written as a sum of positive squares in 2 ways, for example, as 24245776 + 292615236 = 4924^2 + 17106^2 .

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, 3046689 + ... + 3046792.

Almost surely, 2^316861012 is an apocalyptic number.

It is an amenable number.

316861012 is a deficient number, since it is larger than the sum of its proper divisors (280300224).

316861012 is a wasteful number, since it uses less digits than its factorization.

316861012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093498 (or 6093496 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 316861012 is about 17800.5902149339. The cubic root of 316861012 is about 681.7465282125.

It can be divided in two parts, 316 and 861012, that added together give a triangular number (861328 = T₁₃₁₂).

The spelling of 316861012 in words is "three hundred sixteen million, eight hundred sixty-one thousand, twelve".