331013332220 has 48 divisors (see below), whose sum is σ = 704201917440. Its totient is φ = 130678277184.

The previous prime is 331013332171. The next prime is 331013332231. The reversal of 331013332220 is 22233310133.

It is a super-2 number, since 2×331013332220² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4142687 + ... + 4221833.

It is an arithmetic number, because the mean of its divisors is an integer number (14670873280).

Almost surely, 2^331013332220 is an apocalyptic number.

It is an amenable number.

331013332220 is an abundant number, since it is smaller than the sum of its proper divisors (373188585220).

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

331013332220 is a wasteful number, since it uses less digits than its factorization.

331013332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81882 (or 81880 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 331013332220 its reverse (22233310133), we get a palindrome (353246642353).

The spelling of 331013332220 in words is "three hundred thirty-one billion, thirteen million, three hundred thirty-two thousand, two hundred twenty".