21313303212332 has 12 divisors (see below), whose sum is σ = 37628353902216. Its totient is φ = 10562344954560.

The previous prime is 21313303212251. The next prime is 21313303212361. The reversal of 21313303212332 is 23321230331312.

It is a junction number, because it is equal to n+sod(n) for n = 21313303212295 and 21313303212304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23576662394 + ... + 23576663297.

It is an arithmetic number, because the mean of its divisors is an integer number (3135696158518).

Almost surely, 2^{21313303212332} is an apocalyptic number.

It is an amenable number.

21313303212332 is a deficient number, since it is larger than the sum of its proper divisors (16315050689884).

21313303212332 is a wasteful number, since it uses less digits than its factorization.

21313303212332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47153325808 (or 47153325806 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 21313303212332 its reverse (23321230331312), we get a palindrome (44634533543644).

The spelling of 21313303212332 in words is "twenty-one trillion, three hundred thirteen billion, three hundred three million, two hundred twelve thousand, three hundred thirty-two".