315660631245 has 32 divisors (see below), whose sum is σ = 507536755200. Its totient is φ = 167527773504.

The previous prime is 315660631229. The next prime is 315660631261. The reversal of 315660631245 is 542136066513.

It is an interprime number because it is at equal distance from previous prime (315660631229) and next prime (315660631261).

It is not a de Polignac number, because 315660631245 - 2⁴ = 315660631229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315660631197 and 315660631206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2455786 + ... + 2581124.

It is an arithmetic number, because the mean of its divisors is an integer number (15860523600).

Almost surely, 2^315660631245 is an apocalyptic number.

It is an amenable number.

315660631245 is a deficient number, since it is larger than the sum of its proper divisors (191876123955).

315660631245 is a wasteful number, since it uses less digits than its factorization.

315660631245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126169.

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 315660631245 its reverse (542136066513), we get a palindrome (857796697758).

The spelling of 315660631245 in words is "three hundred fifteen billion, six hundred sixty million, six hundred thirty-one thousand, two hundred forty-five".