315160813 has 4 divisors (see below), whose sum is σ = 343811808. Its totient is φ = 286509820.

The previous prime is 315160801. The next prime is 315160823. The reversal of 315160813 is 318061513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315160813 - 2⁹ = 315160301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315160823) 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, 14325481 + ... + 14325502.

It is an arithmetic number, because the mean of its divisors is an integer number (85952952).

Almost surely, 2^315160813 is an apocalyptic number.

It is an amenable number.

315160813 is a deficient number, since it is larger than the sum of its proper divisors (28650995).

315160813 is a wasteful number, since it uses less digits than its factorization.

315160813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28650994.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 315160813 is about 17752.7691642741. The cubic root of 315160813 is about 680.5249788247.

The spelling of 315160813 in words is "three hundred fifteen million, one hundred sixty thousand, eight hundred thirteen".