21133232300331 has 12 divisors (see below), whose sum is σ = 30525895637952. Its totient is φ = 14088768157296.

The previous prime is 21133232300321. The next prime is 21133232300363. The reversal of 21133232300331 is 13300323233112.

21133232300331 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 3 + 2 + 323 + 0 + 0 + 331 = 666.

It is not a de Polignac number, because 21133232300331 - 2⁴² = 16735185789227 is a prime.

It is a super-2 number, since 2×21133232300331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21133232300295 and 21133232300304.

It is not an unprimeable number, because it can be changed into a prime (21133232300321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1861296 + ... + 6762461.

It is an arithmetic number, because the mean of its divisors is an integer number (2543824636496).

Almost surely, 2^{21133232300331} is an apocalyptic number.

21133232300331 is a deficient number, since it is larger than the sum of its proper divisors (9392663337621).

21133232300331 is a wasteful number, since it uses less digits than its factorization.

21133232300331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896050 (or 8896047 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 21133232300331 its reverse (13300323233112), we get a palindrome (34433555533443).

The spelling of 21133232300331 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred thirty-two million, three hundred thousand, three hundred thirty-one".