311310302013 has 12 divisors (see below), whose sum is σ = 449679816768. Its totient is φ = 207535871880.

The previous prime is 311310301993. The next prime is 311310302033. The reversal of 311310302013 is 310203013113.

It is a happy number.

311310302013 is a `hidden beast` number, since 311 + 310 + 30 + 2 + 0 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (311310301993) and next prime (311310302033).

It is not a de Polignac number, because 311310302013 - 2¹⁰ = 311310300989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311310302033) 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, 129706 + ... + 799652.

It is an arithmetic number, because the mean of its divisors is an integer number (37473318064).

Almost surely, 2^311310302013 is an apocalyptic number.

It is an amenable number.

311310302013 is a deficient number, since it is larger than the sum of its proper divisors (138369514755).

311310302013 is a wasteful number, since it uses less digits than its factorization.

311310302013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721584 (or 721581 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 311310302013 its reverse (310203013113), we get a palindrome (621513315126).

The spelling of 311310302013 in words is "three hundred eleven billion, three hundred ten million, three hundred two thousand, thirteen".