320313403304 has 16 divisors (see below), whose sum is σ = 600600606900. Its totient is φ = 160153241472.

The previous prime is 320313403297. The next prime is 320313403309. The reversal of 320313403304 is 403304313023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 182159947204 + 138153456100 = 426802^2 + 371690^2 .

It is not an unprimeable number, because it can be changed into a prime (320313403309) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15437 + ... + 800540.

Almost surely, 2^320313403304 is an apocalyptic number.

It is an amenable number.

320313403304 is a deficient number, since it is larger than the sum of its proper divisors (280287203596).

320313403304 is a wasteful number, since it uses less digits than its factorization.

320313403304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865052 (or 865048 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 320313403304 its reverse (403304313023), we get a palindrome (723617716327).

The spelling of 320313403304 in words is "three hundred twenty billion, three hundred thirteen million, four hundred three thousand, three hundred four".