21302313232332 has 96 divisors (see below), whose sum is σ = 54359606407680. Its totient is φ = 6439119966720.

The previous prime is 21302313232307. The next prime is 21302313232351. The reversal of 21302313232332 is 23323231320312.

It is a self number, because there is not a number n which added to its sum of digits gives 21302313232332.

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, 200162158 + ... + 200268554.

It is an arithmetic number, because the mean of its divisors is an integer number (566245900080).

Almost surely, 2^{21302313232332} is an apocalyptic number.

21302313232332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21302313232332 is an abundant number, since it is smaller than the sum of its proper divisors (33057293175348).

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

21302313232332 is a wasteful number, since it uses less digits than its factorization.

21302313232332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110191 (or 110189 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 21302313232332 its reverse (23323231320312), we get a palindrome (44625544552644).

The spelling of 21302313232332 in words is "twenty-one trillion, three hundred two billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred thirty-two".