315251052514 has 16 divisors (see below), whose sum is σ = 473210949816. Its totient is φ = 157514112000.

The previous prime is 315251052509. The next prime is 315251052553. The reversal of 315251052514 is 415250152513.

It can be written as a sum of positive squares in 4 ways, for example, as 201839040225 + 113412012289 = 449265^2 + 336767^2 .

It is a super-2 number, since 2×315251052514² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315251052514.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21883714 + ... + 21898114.

Almost surely, 2^315251052514 is an apocalyptic number.

315251052514 is a deficient number, since it is larger than the sum of its proper divisors (157959897302).

315251052514 is a wasteful number, since it uses less digits than its factorization.

315251052514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21381.

The product of its (nonzero) digits is 30000, while the sum is 34.

Subtracting 315251052514 from its reverse (415250152513), we obtain a palindrome (99999099999).

The spelling of 315251052514 in words is "three hundred fifteen billion, two hundred fifty-one million, fifty-two thousand, five hundred fourteen".