317377738343 has 2 divisors, whose sum is σ = 317377738344. Its totient is φ = 317377738342.

The previous prime is 317377738319. The next prime is 317377738387. The reversal of 317377738343 is 343837773713.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317377738343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317377738303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158688869171 + 158688869172.

It is an arithmetic number, because the mean of its divisors is an integer number (158688869172).

Almost surely, 2^317377738343 is an apocalyptic number.

317377738343 is a deficient number, since it is larger than the sum of its proper divisors (1).

317377738343 is an equidigital number, since it uses as much as digits as its factorization.

317377738343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18670176, while the sum is 56.

The spelling of 317377738343 in words is "three hundred seventeen billion, three hundred seventy-seven million, seven hundred thirty-eight thousand, three hundred forty-three".