320312104 has 16 divisors (see below), whose sum is σ = 686383200. Its totient is φ = 137276592.

The previous prime is 320312077. The next prime is 320312177. The reversal of 320312104 is 401213023.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 2859874 + ... + 2859985.

It is an arithmetic number, because the mean of its divisors is an integer number (42898950).

Almost surely, 2^320312104 is an apocalyptic number.

It is an amenable number.

320312104 is an abundant number, since it is smaller than the sum of its proper divisors (366071096).

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

320312104 is a wasteful number, since it uses less digits than its factorization.

320312104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5719872 (or 5719868 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320312104 is about 17897.2652659561. The cubic root of 320312104 is about 684.2126773872.

Adding to 320312104 its reverse (401213023), we get a palindrome (721525127).

The spelling of 320312104 in words is "three hundred twenty million, three hundred twelve thousand, one hundred four".