317471031247 has 2 divisors, whose sum is σ = 317471031248. Its totient is φ = 317471031246.

The previous prime is 317471031223. The next prime is 317471031281. The reversal of 317471031247 is 742130174713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317471031247 - 2³⁵ = 283111292879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317471031947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158735515623 + 158735515624.

It is an arithmetic number, because the mean of its divisors is an integer number (158735515624).

Almost surely, 2^317471031247 is an apocalyptic number.

317471031247 is a deficient number, since it is larger than the sum of its proper divisors (1).

317471031247 is an equidigital number, since it uses as much as digits as its factorization.

317471031247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 317471031247 in words is "three hundred seventeen billion, four hundred seventy-one million, thirty-one thousand, two hundred forty-seven".