331003221332 has 24 divisors (see below), whose sum is σ = 662596003776. Its totient is φ = 141732188928.

The previous prime is 331003221331. The next prime is 331003221349. The reversal of 331003221332 is 233122300133.

It is a junction number, because it is equal to n+sod(n) for n = 331003221298 and 331003221307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331003221331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5231933 + ... + 5294820.

It is an arithmetic number, because the mean of its divisors is an integer number (27608166824).

Almost surely, 2^331003221332 is an apocalyptic number.

It is an amenable number.

331003221332 is an abundant number, since it is smaller than the sum of its proper divisors (331592782444).

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

331003221332 is a wasteful number, since it uses less digits than its factorization.

331003221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527887 (or 10527885 counting only the distinct ones).

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

Adding to 331003221332 its reverse (233122300133), we get a palindrome (564125521465).

The spelling of 331003221332 in words is "three hundred thirty-one billion, three million, two hundred twenty-one thousand, three hundred thirty-two".