317680451 has 16 divisors (see below), whose sum is σ = 354876768. Its totient is φ = 281952000.

The previous prime is 317680381. The next prime is 317680457. The reversal of 317680451 is 154086713.

It is a de Polignac number, because none of the positive numbers 2^k-317680451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317680457) 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 15 ways as a sum of consecutive naturals, for example, 79145 + ... + 83061.

It is an arithmetic number, because the mean of its divisors is an integer number (22179798).

Almost surely, 2^317680451 is an apocalyptic number.

317680451 is a deficient number, since it is larger than the sum of its proper divisors (37196317).

317680451 is a wasteful number, since it uses less digits than its factorization.

317680451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 317680451 is about 17823.5925391039. The cubic root of 317680451 is about 682.3337139559. Note that the first 3 decimals are identical.

The spelling of 317680451 in words is "three hundred seventeen million, six hundred eighty thousand, four hundred fifty-one".