320341504 has 40 divisors (see below), whose sum is σ = 731502288. Its totient is φ = 137287680.

The previous prime is 320341481. The next prime is 320341513. The reversal of 320341504 is 405143023.

320341504 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41107 + ... + 48274.

Almost surely, 2^320341504 is an apocalyptic number.

It is an amenable number.

320341504 is an abundant number, since it is smaller than the sum of its proper divisors (411160784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320341504 is an frugal number, since it uses more digits than its factorization.

320341504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89406 (or 89390 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 320341504 is about 17898.0866016454. The cubic root of 320341504 is about 684.2336103429.

Adding to 320341504 its reverse (405143023), we get a palindrome (725484527).

The spelling of 320341504 in words is "three hundred twenty million, three hundred forty-one thousand, five hundred four".