331221033033132 has 48 divisors (see below), whose sum is σ = 850569217610112. Its totient is φ = 99481779828480.

The previous prime is 331221033033127. The next prime is 331221033033181. The reversal of 331221033033132 is 231330330122133.

It is a self number, because there is not a number n which added to its sum of digits gives 331221033033132.

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, 11102862298 + ... + 11102892129.

It is an arithmetic number, because the mean of its divisors is an integer number (17720192033544).

Almost surely, 2^{331221033033132} is an apocalyptic number.

It is an amenable number.

331221033033132 is an abundant number, since it is smaller than the sum of its proper divisors (519348184576980).

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

331221033033132 is a wasteful number, since it uses less digits than its factorization.

331221033033132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22205754558 (or 22205754556 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 331221033033132 its reverse (231330330122133), we get a palindrome (562551363155265).

The spelling of 331221033033132 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, thirty-three million, thirty-three thousand, one hundred thirty-two".