21331310232322 has 8 divisors (see below), whose sum is σ = 32014103525136. Its totient is φ = 10659942390612.

The previous prime is 21331310232259. The next prime is 21331310232343. The reversal of 21331310232322 is 22323201313312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21331310232322² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2856358108 + ... + 2856365575.

It is an arithmetic number, because the mean of its divisors is an integer number (4001762940642).

Almost surely, 2^{21331310232322} is an apocalyptic number.

21331310232322 is a deficient number, since it is larger than the sum of its proper divisors (10682793292814).

21331310232322 is a wasteful number, since it uses less digits than its factorization.

21331310232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712725552.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21331310232322 its reverse (22323201313312), we get a palindrome (43654511545634).

The spelling of 21331310232322 in words is "twenty-one trillion, three hundred thirty-one billion, three hundred ten million, two hundred thirty-two thousand, three hundred twenty-two".