317921330 has 16 divisors (see below), whose sum is σ = 572685120. Its totient is φ = 127073712.

The previous prime is 317921327. The next prime is 317921371. The reversal of 317921330 is 33129713.

It is a super-3 number, since 3×317921330³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317921293 and 317921302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131 + ... + 25409.

It is an arithmetic number, because the mean of its divisors is an integer number (35792820).

Almost surely, 2^317921330 is an apocalyptic number.

317921330 is a deficient number, since it is larger than the sum of its proper divisors (254763790).

317921330 is a wasteful number, since it uses less digits than its factorization.

317921330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23713.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 317921330 is about 17830.3485664190. The cubic root of 317921330 is about 682.5061286555.

The spelling of 317921330 in words is "three hundred seventeen million, nine hundred twenty-one thousand, three hundred thirty".