22513031315 has 16 divisors (see below), whose sum is σ = 28505433600. Its totient is φ = 17021755872.

The previous prime is 22513031309. The next prime is 22513031323. The reversal of 22513031315 is 51313031522.

It is not a de Polignac number, because 22513031315 - 2⁶ = 22513031251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242987 + ... + 322596.

It is an arithmetic number, because the mean of its divisors is an integer number (1781589600).

Almost surely, 2^22513031315 is an apocalyptic number.

22513031315 is a deficient number, since it is larger than the sum of its proper divisors (5992402285).

22513031315 is a wasteful number, since it uses less digits than its factorization.

22513031315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566026.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 22513031315 its reverse (51313031522), we get a palindrome (73826062837).

The spelling of 22513031315 in words is "twenty-two billion, five hundred thirteen million, thirty-one thousand, three hundred fifteen".