320351313 has 8 divisors (see below), whose sum is σ = 441864000. Its totient is φ = 206203088.

The previous prime is 320351279. The next prime is 320351323. The reversal of 320351313 is 313153023.

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 320351313 - 2⁶ = 320351249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320351313.

It is not an unprimeable number, because it can be changed into a prime (320351323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841013 + ... + 1841186.

It is an arithmetic number, because the mean of its divisors is an integer number (55233000).

Almost surely, 2^320351313 is an apocalyptic number.

It is an amenable number.

320351313 is a deficient number, since it is larger than the sum of its proper divisors (121512687).

320351313 is a wasteful number, since it uses less digits than its factorization.

320351313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682231.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 320351313 is about 17898.3606232526. The cubic root of 320351313 is about 684.2405941180.

The spelling of 320351313 in words is "three hundred twenty million, three hundred fifty-one thousand, three hundred thirteen".