311326886175413 has 2 divisors, whose sum is σ = 311326886175414. Its totient is φ = 311326886175412.

The previous prime is 311326886175397. The next prime is 311326886175499. The reversal of 311326886175413 is 314571688623113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274240820207524 + 37086065967889 = 16560218^2 + 6089833^2 .

It is an emirp because it is prime and its reverse (314571688623113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311326886175413 - 2⁴ = 311326886175397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311326886175913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155663443087706 + 155663443087707.

It is an arithmetic number, because the mean of its divisors is an integer number (155663443087707).

Almost surely, 2^{311326886175413} is an apocalyptic number.

It is an amenable number.

311326886175413 is a deficient number, since it is larger than the sum of its proper divisors (1).

311326886175413 is an equidigital number, since it uses as much as digits as its factorization.

311326886175413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 59.

The spelling of 311326886175413 in words is "three hundred eleven trillion, three hundred twenty-six billion, eight hundred eighty-six million, one hundred seventy-five thousand, four hundred thirteen".