315620313432136 has 16 divisors (see below), whose sum is σ = 591788503692540. Its totient is φ = 157810045780800.

The previous prime is 315620313432113. The next prime is 315620313432191. The reversal of 315620313432136 is 631234313026513.

It can be written as a sum of positive squares in 2 ways, for example, as 309499785871236 + 6120527560900 = 17592606^2 + 2473970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 315620313432092 and 315620313432101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081915 + ... + 25147786.

Almost surely, 2^{315620313432136} is an apocalyptic number.

It is an amenable number.

315620313432136 is a deficient number, since it is larger than the sum of its proper divisors (276168190260404).

315620313432136 is a wasteful number, since it uses less digits than its factorization.

315620313432136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27733824 (or 27733820 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 43.

Adding to 315620313432136 its reverse (631234313026513), we get a palindrome (946854626458649).

The spelling of 315620313432136 in words is "three hundred fifteen trillion, six hundred twenty billion, three hundred thirteen million, four hundred thirty-two thousand, one hundred thirty-six".