317140376431 has 2 divisors, whose sum is σ = 317140376432. Its totient is φ = 317140376430.

The previous prime is 317140376417. The next prime is 317140376549. The reversal of 317140376431 is 134673041713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317140376431 - 2²¹ = 317138279279 is a prime.

It is a super-2 number, since 2×317140376431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317140376731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158570188215 + 158570188216.

It is an arithmetic number, because the mean of its divisors is an integer number (158570188216).

Almost surely, 2^317140376431 is an apocalyptic number.

317140376431 is a deficient number, since it is larger than the sum of its proper divisors (1).

317140376431 is an equidigital number, since it uses as much as digits as its factorization.

317140376431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 317140376431 in words is "three hundred seventeen billion, one hundred forty million, three hundred seventy-six thousand, four hundred thirty-one".