317346439 has 2 divisors, whose sum is σ = 317346440. Its totient is φ = 317346438.

The previous prime is 317346377. The next prime is 317346443. The reversal of 317346439 is 934643713.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317346439 - 2²⁵ = 283792007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317346539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158673219 + 158673220.

It is an arithmetic number, because the mean of its divisors is an integer number (158673220).

Almost surely, 2^317346439 is an apocalyptic number.

317346439 is a deficient number, since it is larger than the sum of its proper divisors (1).

317346439 is an equidigital number, since it uses as much as digits as its factorization.

317346439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 40.

The square root of 317346439 is about 17814.2201344881. The cubic root of 317346439 is about 682.0944928884.

The spelling of 317346439 in words is "three hundred seventeen million, three hundred forty-six thousand, four hundred thirty-nine".