317143720627 has 2 divisors, whose sum is σ = 317143720628. Its totient is φ = 317143720626.

The previous prime is 317143720601. The next prime is 317143720697. The reversal of 317143720627 is 726027341713.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317143720627 is a prime.

It is not a weakly prime, because it can be changed into another prime (317143720697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158571860313 + 158571860314.

It is an arithmetic number, because the mean of its divisors is an integer number (158571860314).

Almost surely, 2^317143720627 is an apocalyptic number.

317143720627 is a deficient number, since it is larger than the sum of its proper divisors (1).

317143720627 is an equidigital number, since it uses as much as digits as its factorization.

317143720627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 317143720627 in words is "three hundred seventeen billion, one hundred forty-three million, seven hundred twenty thousand, six hundred twenty-seven".