319336139117 has 2 divisors, whose sum is σ = 319336139118. Its totient is φ = 319336139116.

The previous prime is 319336139113. The next prime is 319336139119. The reversal of 319336139117 is 711931633913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178640630281 + 140695508836 = 422659^2 + 375094^2 .

It is a cyclic number.

It is not a de Polignac number, because 319336139117 - 2² = 319336139113 is a prime.

Together with 319336139119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (319336139113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159668069558 + 159668069559.

It is an arithmetic number, because the mean of its divisors is an integer number (159668069559).

Almost surely, 2^319336139117 is an apocalyptic number.

It is an amenable number.

319336139117 is a deficient number, since it is larger than the sum of its proper divisors (1).

319336139117 is an equidigital number, since it uses as much as digits as its factorization.

319336139117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 275562, while the sum is 47.

The spelling of 319336139117 in words is "three hundred nineteen billion, three hundred thirty-six million, one hundred thirty-nine thousand, one hundred seventeen".