320131903204 has 27 divisors (see below), whose sum is σ = 566034672763. Its totient is φ = 158424560000.

The previous prime is 320131903171. The next prime is 320131903211. The reversal of 320131903204 is 402309131023.

The square root of 320131903204 is 565802.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 100995568804 + 219136334400 = 317798^2 + 468120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 114290604 + ... + 114293404.

Almost surely, 2^320131903204 is an apocalyptic number.

320131903204 is the 565802-nd square number.

It is an amenable number.

320131903204 is a deficient number, since it is larger than the sum of its proper divisors (245902769559).

320131903204 is an frugal number, since it uses more digits than its factorization.

320131903204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808 (or 2904 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 320131903204 in words is "three hundred twenty billion, one hundred thirty-one million, nine hundred three thousand, two hundred four".