316513730 has 16 divisors (see below), whose sum is σ = 613549944. Its totient is φ = 116866560.

The previous prime is 316513693. The next prime is 316513733. The reversal of 316513730 is 37315613.

It is a happy number.

316513730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 177768889 + 138744841 = 13333^2 + 11779^2 .

It is a junction number, because it is equal to n+sod(n) for n = 316513693 and 316513702.

It is not an unprimeable number, because it can be changed into a prime (316513733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217231 + ... + 1217490.

Almost surely, 2^316513730 is an apocalyptic number.

316513730 is a deficient number, since it is larger than the sum of its proper divisors (297036214).

316513730 is a wasteful number, since it uses less digits than its factorization.

316513730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434741.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 316513730 is about 17790.8327517292. The cubic root of 316513730 is about 681.4973707609.

The spelling of 316513730 in words is "three hundred sixteen million, five hundred thirteen thousand, seven hundred thirty".