317979043 has 2 divisors, whose sum is σ = 317979044. Its totient is φ = 317979042.

The previous prime is 317979037. The next prime is 317979089. The reversal of 317979043 is 340979713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317979043 - 2²⁵ = 284424611 is a prime.

It is a super-2 number, since 2×317979043² = 202221343574391698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (317979943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158989521 + 158989522.

It is an arithmetic number, because the mean of its divisors is an integer number (158989522).

Almost surely, 2^317979043 is an apocalyptic number.

317979043 is a deficient number, since it is larger than the sum of its proper divisors (1).

317979043 is an equidigital number, since it uses as much as digits as its factorization.

317979043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 317979043 is about 17831.9668853439. The cubic root of 317979043 is about 682.5474251328.

The spelling of 317979043 in words is "three hundred seventeen million, nine hundred seventy-nine thousand, forty-three".