331221131198 has 16 divisors (see below), whose sum is σ = 498002850000. Its totient is φ = 165220416192.

The previous prime is 331221131177. The next prime is 331221131207. The reversal of 331221131198 is 891131122133.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2846138 + ... + 2960226.

It is an arithmetic number, because the mean of its divisors is an integer number (31125178125).

Almost surely, 2^331221131198 is an apocalyptic number.

331221131198 is a deficient number, since it is larger than the sum of its proper divisors (166781718802).

331221131198 is a wasteful number, since it uses less digits than its factorization.

331221131198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117499.

The product of its digits is 7776, while the sum is 35.

The spelling of 331221131198 in words is "three hundred thirty-one billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred ninety-eight".