320131231110202 has 8 divisors (see below), whose sum is σ = 480196951205076. Its totient is φ = 160065580708512.

The previous prime is 320131231110179. The next prime is 320131231110289. The reversal of 320131231110202 is 202011132131023.

It can be written as a sum of positive squares in 2 ways, for example, as 225140691986721 + 94990539123481 = 15004689^2 + 9746309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3813513 + ... + 25589164.

Almost surely, 2^{320131231110202} is an apocalyptic number.

320131231110202 is a deficient number, since it is larger than the sum of its proper divisors (160065720094874).

320131231110202 is a wasteful number, since it uses less digits than its factorization.

320131231110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34846592.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 320131231110202 its reverse (202011132131023), we get a palindrome (522142363241225).

The spelling of 320131231110202 in words is "three hundred twenty trillion, one hundred thirty-one billion, two hundred thirty-one million, one hundred ten thousand, two hundred two".