317122566561239 has 2 divisors, whose sum is σ = 317122566561240. Its totient is φ = 317122566561238.

The previous prime is 317122566561209. The next prime is 317122566561293. The reversal of 317122566561239 is 932165665221713.

Together with next prime (317122566561293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317122566561239 - 2¹⁶ = 317122566495703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317122566561209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158561283280619 + 158561283280620.

It is an arithmetic number, because the mean of its divisors is an integer number (158561283280620).

Almost surely, 2^{317122566561239} is an apocalyptic number.

317122566561239 is a deficient number, since it is larger than the sum of its proper divisors (1).

317122566561239 is an equidigital number, since it uses as much as digits as its factorization.

317122566561239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24494400, while the sum is 59.

The spelling of 317122566561239 in words is "three hundred seventeen trillion, one hundred twenty-two billion, five hundred sixty-six million, five hundred sixty-one thousand, two hundred thirty-nine".