21331023230983 has 2 divisors, whose sum is σ = 21331023230984. Its totient is φ = 21331023230982.

The previous prime is 21331023230963. The next prime is 21331023231041. The reversal of 21331023230983 is 38903232013312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21331023230983 - 2¹³ = 21331023222791 is a prime.

It is a super-2 number, since 2×21331023230983² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21331023230963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665511615491 + 10665511615492.

It is an arithmetic number, because the mean of its divisors is an integer number (10665511615492).

Almost surely, 2^{21331023230983} is an apocalyptic number.

21331023230983 is a deficient number, since it is larger than the sum of its proper divisors (1).

21331023230983 is an equidigital number, since it uses as much as digits as its factorization.

21331023230983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 21331023230983 in words is "twenty-one trillion, three hundred thirty-one billion, twenty-three million, two hundred thirty thousand, nine hundred eighty-three".