311400342013 has 16 divisors (see below), whose sum is σ = 329328179712. Its totient is φ = 293967072000.

The previous prime is 311400341963. The next prime is 311400342023. The reversal of 311400342013 is 310243004113.

It is a cyclic number.

It is not a de Polignac number, because 311400342013 - 2³³ = 302810407421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311400342023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17165958 + ... + 17184088.

It is an arithmetic number, because the mean of its divisors is an integer number (20583011232).

Almost surely, 2^311400342013 is an apocalyptic number.

It is an amenable number.

311400342013 is a deficient number, since it is larger than the sum of its proper divisors (17927837699).

311400342013 is a wasteful number, since it uses less digits than its factorization.

311400342013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31716.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 311400342013 its reverse (310243004113), we get a palindrome (621643346126).

The spelling of 311400342013 in words is "three hundred eleven billion, four hundred million, three hundred forty-two thousand, thirteen".