1312315908936 has 256 divisors, whose sum is σ = 3666036326400. Its totient is φ = 390028953600.

The previous prime is 1312315908881. The next prime is 1312315908971. The reversal of 1312315908936 is 6398095132131.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55413930 + ... + 55437606.

It is an arithmetic number, because the mean of its divisors is an integer number (14320454400).

Almost surely, 2^{1312315908936} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312315908936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833018163200).

1312315908936 is an abundant number, since it is smaller than the sum of its proper divisors (2353720417464).

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

1312315908936 is a wasteful number, since it uses less digits than its factorization.

1312315908936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23860 (or 23856 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 1312315908936 in words is "one trillion, three hundred twelve billion, three hundred fifteen million, nine hundred eight thousand, nine hundred thirty-six".