315657013 has 16 divisors (see below), whose sum is σ = 381888000. Its totient is φ = 254871792.

The previous prime is 315657007. The next prime is 315657019. The reversal of 315657013 is 310756513.

It is an interprime number because it is at equal distance from previous prime (315657007) and next prime (315657019).

It is not a de Polignac number, because 315657013 - 2¹³ = 315648821 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 (315657019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17178 + ... + 30436.

It is an arithmetic number, because the mean of its divisors is an integer number (23868000).

Almost surely, 2^315657013 is an apocalyptic number.

It is an amenable number.

315657013 is a deficient number, since it is larger than the sum of its proper divisors (66230987).

315657013 is a wasteful number, since it uses less digits than its factorization.

315657013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13464.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 315657013 is about 17766.7389523232. The cubic root of 315657013 is about 680.8819388474.

The spelling of 315657013 in words is "three hundred fifteen million, six hundred fifty-seven thousand, thirteen".