317138279279 has 2 divisors, whose sum is σ = 317138279280. Its totient is φ = 317138279278.

The previous prime is 317138279243. The next prime is 317138279299. The reversal of 317138279279 is 972972831713.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317138279279 - 2⁸ = 317138279023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317138279299) 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, 158569139639 + 158569139640.

It is an arithmetic number, because the mean of its divisors is an integer number (158569139640).

Almost surely, 2^317138279279 is an apocalyptic number.

317138279279 is a deficient number, since it is larger than the sum of its proper divisors (1).

317138279279 is an equidigital number, since it uses as much as digits as its factorization.

317138279279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8001504, while the sum is 59.

The spelling of 317138279279 in words is "three hundred seventeen billion, one hundred thirty-eight million, two hundred seventy-nine thousand, two hundred seventy-nine".