317381812 has 12 divisors (see below), whose sum is σ = 605910816. Its totient is φ = 144264440.

The previous prime is 317381783. The next prime is 317381837. The reversal of 317381812 is 218183713.

It is a congruent number.

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, 3606568 + ... + 3606655.

It is an arithmetic number, because the mean of its divisors is an integer number (50492568).

Almost surely, 2^317381812 is an apocalyptic number.

It is an amenable number.

317381812 is a deficient number, since it is larger than the sum of its proper divisors (288529004).

317381812 is a wasteful number, since it uses less digits than its factorization.

317381812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213238 (or 7213236 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 317381812 is about 17815.2129372624. The cubic root of 317381812 is about 682.1198351528.

The spelling of 317381812 in words is "three hundred seventeen million, three hundred eighty-one thousand, eight hundred twelve".