317121922 has 8 divisors (see below), whose sum is σ = 512273916. Its totient is φ = 146363952.

The previous prime is 317121919. The next prime is 317121941. The reversal of 317121922 is 229121713.

It can be written as a sum of positive squares in 2 ways, for example, as 258920281 + 58201641 = 16091^2 + 7629^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6098473 + ... + 6098524.

Almost surely, 2^317121922 is an apocalyptic number.

317121922 is a deficient number, since it is larger than the sum of its proper divisors (195151994).

317121922 is a wasteful number, since it uses less digits than its factorization.

317121922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12197012.

The product of its digits is 1512, while the sum is 28.

The square root of 317121922 is about 17807.9173964841. The cubic root of 317121922 is about 681.9335983373.

The spelling of 317121922 in words is "three hundred seventeen million, one hundred twenty-one thousand, nine hundred twenty-two".