317194239 has 4 divisors (see below), whose sum is σ = 422925656. Its totient is φ = 211462824.

The previous prime is 317194223. The next prime is 317194249. The reversal of 317194239 is 932491713.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 317194239 - 2⁴ = 317194223 is a prime.

It is a super-2 number, since 2×317194239² = 201224370509578242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317194197 and 317194206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317194249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52865704 + ... + 52865709.

It is an arithmetic number, because the mean of its divisors is an integer number (105731414).

Almost surely, 2^317194239 is an apocalyptic number.

317194239 is a deficient number, since it is larger than the sum of its proper divisors (105731417).

317194239 is a wasteful number, since it uses less digits than its factorization.

317194239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105731416.

The product of its digits is 40824, while the sum is 39.

The square root of 317194239 is about 17809.9477539941. The cubic root of 317194239 is about 681.9854308139.

The spelling of 317194239 in words is "three hundred seventeen million, one hundred ninety-four thousand, two hundred thirty-nine".