331221330010032 has 160 divisors (see below), whose sum is σ = 1066799280476160. Its totient is φ = 86030828540160.

The previous prime is 331221330010019. The next prime is 331221330010057. The reversal of 331221330010032 is 230010033122133.

It is a super-2 number, since 2×331221330010032² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 331221330009984 and 331221330010011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599802883 + ... + 600354845.

It is an arithmetic number, because the mean of its divisors is an integer number (6667495502976).

Almost surely, 2^{331221330010032} is an apocalyptic number.

It is an amenable number.

331221330010032 is an abundant number, since it is smaller than the sum of its proper divisors (735577950466128).

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

331221330010032 is a wasteful number, since it uses less digits than its factorization.

331221330010032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714351 (or 714345 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 331221330010032 its reverse (230010033122133), we get a palindrome (561231363132165).

The spelling of 331221330010032 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, three hundred thirty million, ten thousand, thirty-two".