311536413 has 12 divisors (see below), whose sum is σ = 451176960. Its totient is φ = 207146376.

The previous prime is 311536397. The next prime is 311536439. The reversal of 311536413 is 314635113.

311536413 is a `hidden beast` number, since 3 + 1 + 15 + 3 + 641 + 3 = 666.

It is not a de Polignac number, because 311536413 - 2⁴ = 311536397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311586413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41743 + ... + 48636.

It is an arithmetic number, because the mean of its divisors is an integer number (37598080).

Almost surely, 2^311536413 is an apocalyptic number.

It is an amenable number.

311536413 is a deficient number, since it is larger than the sum of its proper divisors (139640547).

311536413 is a wasteful number, since it uses less digits than its factorization.

311536413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90768 (or 90765 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 311536413 is about 17650.3941315768. The cubic root of 311536413 is about 677.9061986816.

The spelling of 311536413 in words is "three hundred eleven million, five hundred thirty-six thousand, four hundred thirteen".