331131130220202 has 64 divisors (see below), whose sum is σ = 736216729780224. Its totient is φ = 98599225648320.

The previous prime is 331131130220179. The next prime is 331131130220213. The reversal of 331131130220202 is 202022031131133.

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 31 ways as a sum of consecutive naturals, for example, 517487703 + ... + 518127189.

It is an arithmetic number, because the mean of its divisors is an integer number (11503386402816).

Almost surely, 2^{331131130220202} is an apocalyptic number.

331131130220202 is an abundant number, since it is smaller than the sum of its proper divisors (405085599560022).

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

331131130220202 is a wasteful number, since it uses less digits than its factorization.

331131130220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853683.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 331131130220202 its reverse (202022031131133), we get a palindrome (533153161351335).

The spelling of 331131130220202 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty million, two hundred twenty thousand, two hundred two".