313321328 has 20 divisors (see below), whose sum is σ = 623468280. Its totient is φ = 152426304.

The previous prime is 313321313. The next prime is 313321331. The reversal of 313321328 is 823123313.

It is a junction number, because it is equal to n+sod(n) for n = 313321297 and 313321306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264038 + ... + 265221.

It is an arithmetic number, because the mean of its divisors is an integer number (31173414).

Almost surely, 2^313321328 is an apocalyptic number.

It is an amenable number.

313321328 is a deficient number, since it is larger than the sum of its proper divisors (310146952).

313321328 is a wasteful number, since it uses less digits than its factorization.

313321328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529304 (or 529298 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 313321328 is about 17700.8849496289. The cubic root of 313321328 is about 679.1983979822.

The spelling of 313321328 in words is "three hundred thirteen million, three hundred twenty-one thousand, three hundred twenty-eight".