331013221012332 has 72 divisors (see below), whose sum is σ = 848475322443840. Its totient is φ = 108792435847680.

The previous prime is 331013221012321. The next prime is 331013221012333. The reversal of 331013221012332 is 233210122310133.

331013221012332 is a `hidden beast` number, since 3 + 3 + 1 + 0 + 1 + 322 + 1 + 0 + 1 + 2 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 331013221012296 and 331013221012305.

It is not an unprimeable number, because it can be changed into a prime (331013221012333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77308269 + ... + 81477572.

Almost surely, 2^{331013221012332} is an apocalyptic number.

It is an amenable number.

331013221012332 is an abundant number, since it is smaller than the sum of its proper divisors (517462101431508).

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

331013221012332 is a wasteful number, since it uses less digits than its factorization.

331013221012332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158786663 (or 158786658 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 331013221012332 its reverse (233210122310133), we get a palindrome (564223343322465).

The spelling of 331013221012332 in words is "three hundred thirty-one trillion, thirteen billion, two hundred twenty-one million, twelve thousand, three hundred thirty-two".