317228886389 has 2 divisors, whose sum is σ = 317228886390. Its totient is φ = 317228886388.

The previous prime is 317228886349. The next prime is 317228886397. The reversal of 317228886389 is 983688822713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280534419025 + 36694467364 = 529655^2 + 191558^2 .

It is a cyclic number.

It is not a de Polignac number, because 317228886389 - 2⁸ = 317228886133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317228886319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158614443194 + 158614443195.

It is an arithmetic number, because the mean of its divisors is an integer number (158614443195).

Almost surely, 2^317228886389 is an apocalyptic number.

It is an amenable number.

317228886389 is a deficient number, since it is larger than the sum of its proper divisors (1).

317228886389 is an equidigital number, since it uses as much as digits as its factorization.

317228886389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55738368, while the sum is 65.

The spelling of 317228886389 in words is "three hundred seventeen billion, two hundred twenty-eight million, eight hundred eighty-six thousand, three hundred eighty-nine".