317427199 has 2 divisors, whose sum is σ = 317427200. Its totient is φ = 317427198.

The previous prime is 317427193. The next prime is 317427221. The reversal of 317427199 is 991724713.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317427199 - 2³ = 317427191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317427191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158713599 + 158713600.

It is an arithmetic number, because the mean of its divisors is an integer number (158713600).

Almost surely, 2^317427199 is an apocalyptic number.

317427199 is a deficient number, since it is larger than the sum of its proper divisors (1).

317427199 is an equidigital number, since it uses as much as digits as its factorization.

317427199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 317427199 is about 17816.4867187670. The cubic root of 317427199 is about 682.1523489853.

The spelling of 317427199 in words is "three hundred seventeen million, four hundred twenty-seven thousand, one hundred ninety-nine".