317260345 has 8 divisors (see below), whose sum is σ = 381446280. Its totient is φ = 253319040.

The previous prime is 317260331. The next prime is 317260357. The reversal of 317260345 is 543062713.

It can be written as a sum of positive squares in 4 ways, for example, as 5702544 + 311557801 = 2388^2 + 17651^2 .

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

It is not a de Polignac number, because 317260345 - 2¹⁷ = 317129273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58290 + ... + 63499.

It is an arithmetic number, because the mean of its divisors is an integer number (47680785).

Almost surely, 2^317260345 is an apocalyptic number.

It is an amenable number.

317260345 is a deficient number, since it is larger than the sum of its proper divisors (64185935).

317260345 is a wasteful number, since it uses less digits than its factorization.

317260345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122315.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 317260345 is about 17811.8035302436. The cubic root of 317260345 is about 682.0328047275.

The spelling of 317260345 in words is "three hundred seventeen million, two hundred sixty thousand, three hundred forty-five".