317661197 has 8 divisors (see below), whose sum is σ = 363149376. Its totient is φ = 272200032.

The previous prime is 317661191. The next prime is 317661199. The reversal of 317661197 is 791166713.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 317661197 - 2⁴ = 317661181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317661191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40673 + ... + 47849.

It is an arithmetic number, because the mean of its divisors is an integer number (45393672).

Almost surely, 2^317661197 is an apocalyptic number.

It is an amenable number.

317661197 is a deficient number, since it is larger than the sum of its proper divisors (45488179).

317661197 is an equidigital number, since it uses as much as digits as its factorization.

317661197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507.

The product of its digits is 47628, while the sum is 41.

The square root of 317661197 is about 17823.0524041198. The cubic root of 317661197 is about 682.3199287002.

The spelling of 317661197 in words is "three hundred seventeen million, six hundred sixty-one thousand, one hundred ninety-seven".