317289614857 has 2 divisors, whose sum is σ = 317289614858. Its totient is φ = 317289614856.

The previous prime is 317289614669. The next prime is 317289614903. The reversal of 317289614857 is 758416982713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262329376761 + 54960238096 = 512181^2 + 234436^2 .

It is a cyclic number.

It is not a de Polignac number, because 317289614857 - 2³¹ = 315142131209 is a prime.

It is a super-2 number, since 2×317289614857² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317289614795 and 317289614804.

It is not a weakly prime, because it can be changed into another prime (317289614357) 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, 158644807428 + 158644807429.

It is an arithmetic number, because the mean of its divisors is an integer number (158644807429).

Almost surely, 2^317289614857 is an apocalyptic number.

It is an amenable number.

317289614857 is a deficient number, since it is larger than the sum of its proper divisors (1).

317289614857 is an equidigital number, since it uses as much as digits as its factorization.

317289614857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 61.

The spelling of 317289614857 in words is "three hundred seventeen billion, two hundred eighty-nine million, six hundred fourteen thousand, eight hundred fifty-seven".