320043108 has 72 divisors (see below), whose sum is σ = 947679264. Its totient is φ = 83126400.

The previous prime is 320043107. The next prime is 320043161. The reversal of 320043108 is 801340023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (320043107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 18273 + ... + 31208.

It is an arithmetic number, because the mean of its divisors is an integer number (13162212).

Almost surely, 2^320043108 is an apocalyptic number.

It is an amenable number.

320043108 is an abundant number, since it is smaller than the sum of its proper divisors (627636156).

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

320043108 is a wasteful number, since it uses less digits than its factorization.

320043108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49513 (or 49504 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 320043108 is about 17889.7486846518. The cubic root of 320043108 is about 684.0210913096.

The spelling of 320043108 in words is "three hundred twenty million, forty-three thousand, one hundred eight".