21313003332232 has 64 divisors (see below), whose sum is σ = 41027849861760. Its totient is φ = 10375467648000.

The previous prime is 21313003332227. The next prime is 21313003332233. The reversal of 21313003332232 is 23223330031312.

It is a super-2 number, since 2×21313003332232² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21313003332232.

It is not an unprimeable number, because it can be changed into a prime (21313003332233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61995888 + ... + 62338720.

It is an arithmetic number, because the mean of its divisors is an integer number (641060154090).

Almost surely, 2^{21313003332232} is an apocalyptic number.

It is an amenable number.

21313003332232 is a deficient number, since it is larger than the sum of its proper divisors (19714846529528).

21313003332232 is a wasteful number, since it uses less digits than its factorization.

21313003332232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344014 (or 344010 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21313003332232 its reverse (23223330031312), we get a palindrome (44536333363544).

The spelling of 21313003332232 in words is "twenty-one trillion, three hundred thirteen billion, three million, three hundred thirty-two thousand, two hundred thirty-two".