317421307 has 16 divisors (see below), whose sum is σ = 375091200. Its totient is φ = 262861920.

The previous prime is 317421287. The next prime is 317421359. The reversal of 317421307 is 703124713.

It is a cyclic number.

It is not a de Polignac number, because 317421307 - 2⁷ = 317421179 is a prime.

It is a super-2 number, since 2×317421307² = 201512572275176498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317425307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239994 + ... + 241312.

It is an arithmetic number, because the mean of its divisors is an integer number (23443200).

Almost surely, 2^317421307 is an apocalyptic number.

317421307 is a deficient number, since it is larger than the sum of its proper divisors (57669893).

317421307 is a wasteful number, since it uses less digits than its factorization.

317421307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 317421307 is about 17816.3213655345. The cubic root of 317421307 is about 682.1481283152.

The spelling of 317421307 in words is "three hundred seventeen million, four hundred twenty-one thousand, three hundred seven".