318339112913 has 2 divisors, whose sum is σ = 318339112914. Its totient is φ = 318339112912.

The previous prime is 318339112901. The next prime is 318339112919. The reversal of 318339112913 is 319211933813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223972188049 + 94366924864 = 473257^2 + 307192^2 .

It is a cyclic number.

It is not a de Polignac number, because 318339112913 - 2²⁴ = 318322335697 is a prime.

It is not a weakly prime, because it can be changed into another prime (318339112919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159169556456 + 159169556457.

It is an arithmetic number, because the mean of its divisors is an integer number (159169556457).

Almost surely, 2^318339112913 is an apocalyptic number.

It is an amenable number.

318339112913 is a deficient number, since it is larger than the sum of its proper divisors (1).

318339112913 is an equidigital number, since it uses as much as digits as its factorization.

318339112913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 44.

The spelling of 318339112913 in words is "three hundred eighteen billion, three hundred thirty-nine million, one hundred twelve thousand, nine hundred thirteen".