331021420343222 has 24 divisors (see below), whose sum is σ = 577606830304680. Its totient is φ = 141864301723200.

The previous prime is 331021420343219. The next prime is 331021420343227. The reversal of 331021420343222 is 222343024120133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331021420343227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17139404 + ... + 30916047.

It is an arithmetic number, because the mean of its divisors is an integer number (24066951262695).

Almost surely, 2^{331021420343222} is an apocalyptic number.

331021420343222 is a deficient number, since it is larger than the sum of its proper divisors (246585409961458).

331021420343222 is a wasteful number, since it uses less digits than its factorization.

331021420343222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48125756 (or 48125749 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 331021420343222 its reverse (222343024120133), we get a palindrome (553364444463355).

The spelling of 331021420343222 in words is "three hundred thirty-one trillion, twenty-one billion, four hundred twenty million, three hundred forty-three thousand, two hundred twenty-two".