317900830945 has 8 divisors (see below), whose sum is σ = 381484868544. Its totient is φ = 254318083824.

The previous prime is 317900830859. The next prime is 317900830967. The reversal of 317900830945 is 549038009713.

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 317900830945 - 2⁷ = 317900830817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 344902 + ... + 868768.

It is an arithmetic number, because the mean of its divisors is an integer number (47685608568).

Almost surely, 2^317900830945 is an apocalyptic number.

It is an amenable number.

317900830945 is a deficient number, since it is larger than the sum of its proper divisors (63584037599).

317900830945 is a wasteful number, since it uses less digits than its factorization.

317900830945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645239.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 317900830945 in words is "three hundred seventeen billion, nine hundred million, eight hundred thirty thousand, nine hundred forty-five".