315638013 has 8 divisors (see below), whose sum is σ = 443000800. Its totient is φ = 199350288.

The previous prime is 315637957. The next prime is 315638021. The reversal of 315638013 is 310836513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315638013 - 2⁸ = 315637757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315631013) 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 7 ways as a sum of consecutive naturals, for example, 2768698 + ... + 2768811.

It is an arithmetic number, because the mean of its divisors is an integer number (55375100).

Almost surely, 2^315638013 is an apocalyptic number.

It is an amenable number.

315638013 is a deficient number, since it is larger than the sum of its proper divisors (127362787).

315638013 is a wasteful number, since it uses less digits than its factorization.

315638013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537531.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 315638013 is about 17766.2042372590. The cubic root of 315638013 is about 680.8682773774.

The spelling of 315638013 in words is "three hundred fifteen million, six hundred thirty-eight thousand, thirteen".