317194197 has 8 divisors (see below), whose sum is σ = 423011520. Its totient is φ = 211419840.

The previous prime is 317194153. The next prime is 317194217. The reversal of 317194197 is 791491713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 317194197 - 2¹² = 317190101 is a prime.

It is a super-2 number, since 2×317194197² = 201224317220949618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317194897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15997 + ... + 29837.

It is an arithmetic number, because the mean of its divisors is an integer number (52876440).

Almost surely, 2^317194197 is an apocalyptic number.

It is an amenable number.

317194197 is a deficient number, since it is larger than the sum of its proper divisors (105817323).

317194197 is a wasteful number, since it uses less digits than its factorization.

317194197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21483.

The product of its digits is 47628, while the sum is 42.

The square root of 317194197 is about 17809.9465748778. The cubic root of 317194197 is about 681.9854007132.

The spelling of 317194197 in words is "three hundred seventeen million, one hundred ninety-four thousand, one hundred ninety-seven".