315551252520031 has 64 divisors (see below), whose sum is σ = 366769717977600. Its totient is φ = 268468604928000.

The previous prime is 315551252520011. The next prime is 315551252520073. The reversal of 315551252520031 is 130025252155513.

It is a cyclic number.

It is not a de Polignac number, because 315551252520031 - 2¹¹ = 315551252517983 is a prime.

It is a super-2 number, since 2×315551252520031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315551252520011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31006308415 + ... + 31006318591.

It is an arithmetic number, because the mean of its divisors is an integer number (5730776843400).

Almost surely, 2^{315551252520031} is an apocalyptic number.

315551252520031 is a deficient number, since it is larger than the sum of its proper divisors (51218465457569).

315551252520031 is a wasteful number, since it uses less digits than its factorization.

315551252520031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480.

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 315551252520031 in words is "three hundred fifteen trillion, five hundred fifty-one billion, two hundred fifty-two million, five hundred twenty thousand, thirty-one".