320044130 has 16 divisors (see below), whose sum is σ = 658376640. Its totient is φ = 109729392.

The previous prime is 320044069. The next prime is 320044139. The reversal of 320044130 is 31440023.

It is a junction number, because it is equal to n+sod(n) for n = 320044099 and 320044108.

It is not an unprimeable number, because it can be changed into a prime (320044139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285960 + ... + 2286099.

It is an arithmetic number, because the mean of its divisors is an integer number (41148540).

Almost surely, 2^320044130 is an apocalyptic number.

320044130 is an abundant number, since it is smaller than the sum of its proper divisors (338332510).

320044130 is a wasteful number, since it uses less digits than its factorization.

320044130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572073.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 320044130 is about 17889.7772484735. Note that the first 3 decimals coincide. The cubic root of 320044130 is about 684.0218194082.

Adding to 320044130 its reverse (31440023), we get a palindrome (351484153).

The spelling of 320044130 in words is "three hundred twenty million, forty-four thousand, one hundred thirty".