317305407 has 8 divisors (see below), whose sum is σ = 423959040. Its totient is φ = 211094360.

The previous prime is 317305399. The next prime is 317305423. The reversal of 317305407 is 704503713.

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 317305407 - 2³ = 317305399 is a prime.

It is a super-2 number, since 2×317305407² = 201365442622871298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317305427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108969 + ... + 111842.

It is an arithmetic number, because the mean of its divisors is an integer number (52994880).

Almost surely, 2^317305407 is an apocalyptic number.

317305407 is a deficient number, since it is larger than the sum of its proper divisors (106653633).

317305407 is a wasteful number, since it uses less digits than its factorization.

317305407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221293.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 317305407 is about 17813.0684330353. The cubic root of 317305407 is about 682.0650939895.

The spelling of 317305407 in words is "three hundred seventeen million, three hundred five thousand, four hundred seven".