315152442122 has 16 divisors (see below), whose sum is σ = 568696136640. Its totient is φ = 127956630528.

The previous prime is 315152442119. The next prime is 315152442149. The reversal of 315152442122 is 221244251513.

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, 592391543 + ... + 592392074.

It is an arithmetic number, because the mean of its divisors is an integer number (35543508540).

Almost surely, 2^315152442122 is an apocalyptic number.

315152442122 is a deficient number, since it is larger than the sum of its proper divisors (253543694518).

315152442122 is a wasteful number, since it uses less digits than its factorization.

315152442122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184783645.

The product of its digits is 19200, while the sum is 32.

Adding to 315152442122 its reverse (221244251513), we get a palindrome (536396693635).

The spelling of 315152442122 in words is "three hundred fifteen billion, one hundred fifty-two million, four hundred forty-two thousand, one hundred twenty-two".