317190439 has 2 divisors, whose sum is σ = 317190440. Its totient is φ = 317190438.

The previous prime is 317190413. The next prime is 317190491. The reversal of 317190439 is 934091713.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317190439 - 2⁵ = 317190407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317190398 and 317190407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317190499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158595219 + 158595220.

It is an arithmetic number, because the mean of its divisors is an integer number (158595220).

Almost surely, 2^317190439 is an apocalyptic number.

317190439 is a deficient number, since it is larger than the sum of its proper divisors (1).

317190439 is an equidigital number, since it uses as much as digits as its factorization.

317190439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 317190439 is about 17809.8410717221. The cubic root of 317190439 is about 681.9827073986.

The spelling of 317190439 in words is "three hundred seventeen million, one hundred ninety thousand, four hundred thirty-nine".