21332202131331 has 48 divisors (see below), whose sum is σ = 37981289411520. Its totient is φ = 11235127368960.

The previous prime is 21332202131327. The next prime is 21332202131353. The reversal of 21332202131331 is 13313120223312.

21332202131331 is a `hidden beast` number, since 2 + 1 + 3 + 322 + 0 + 2 + 1 + 3 + 1 + 331 = 666.

It is not a de Polignac number, because 21332202131331 - 2² = 21332202131327 is a prime.

It is a super-2 number, since 2×21332202131331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21332202131295 and 21332202131304.

It is not an unprimeable number, because it can be changed into a prime (21332202131131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19161096 + ... + 20243813.

It is an arithmetic number, because the mean of its divisors is an integer number (791276862740).

Almost surely, 2^{21332202131331} is an apocalyptic number.

21332202131331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21332202131331 is a deficient number, since it is larger than the sum of its proper divisors (16649087280189).

21332202131331 is a wasteful number, since it uses less digits than its factorization.

21332202131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39405596 (or 39405593 counting only the distinct ones).

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

Adding to 21332202131331 its reverse (13313120223312), we get a palindrome (34645322354643).

The spelling of 21332202131331 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred two million, one hundred thirty-one thousand, three hundred thirty-one".