315102122320 has 40 divisors (see below), whose sum is σ = 775707286824. Its totient is φ = 118626680832.

The previous prime is 315102122149. The next prime is 315102122353. The reversal of 315102122320 is 23221201513.

It can be written as a sum of positive squares in 4 ways, for example, as 139403663424 + 175698458896 = 373368^2 + 419164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 315102122291 and 315102122300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115845009 + ... + 115847728.

Almost surely, 2^315102122320 is an apocalyptic number.

It is an amenable number.

315102122320 is an abundant number, since it is smaller than the sum of its proper divisors (460605164504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315102122320 is a wasteful number, since it uses less digits than its factorization.

315102122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231692767 (or 231692761 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 315102122320 its reverse (23221201513), we get a palindrome (338323323833).

The spelling of 315102122320 in words is "three hundred fifteen billion, one hundred two million, one hundred twenty-two thousand, three hundred twenty".