315613131255 has 48 divisors (see below), whose sum is σ = 550443036000. Its totient is φ = 167289753600.

The previous prime is 315613131247. The next prime is 315613131263. The reversal of 315613131255 is 552131316513.

315613131255 is a `hidden beast` number, since 3 + 1 + 5 + 613 + 1 + 31 + 2 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (315613131247) and next prime (315613131263).

It is not a de Polignac number, because 315613131255 - 2³ = 315613131247 is a prime.

It is a super-2 number, since 2×315613131255² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5382495 + ... + 5440815.

It is an arithmetic number, because the mean of its divisors is an integer number (11467563250).

Almost surely, 2^315613131255 is an apocalyptic number.

315613131255 is a deficient number, since it is larger than the sum of its proper divisors (234829904745).

315613131255 is a wasteful number, since it uses less digits than its factorization.

315613131255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59072 (or 59069 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

Adding to 315613131255 its reverse (552131316513), we get a palindrome (867744447768).

The spelling of 315613131255 in words is "three hundred fifteen billion, six hundred thirteen million, one hundred thirty-one thousand, two hundred fifty-five".