21340013231183 has 2 divisors, whose sum is σ = 21340013231184. Its totient is φ = 21340013231182.

The previous prime is 21340013231179. The next prime is 21340013231237. The reversal of 21340013231183 is 38113231004312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21340013231183 - 2² = 21340013231179 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21340013231123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10670006615591 + 10670006615592.

It is an arithmetic number, because the mean of its divisors is an integer number (10670006615592).

Almost surely, 2^{21340013231183} is an apocalyptic number.

21340013231183 is a deficient number, since it is larger than the sum of its proper divisors (1).

21340013231183 is an equidigital number, since it uses as much as digits as its factorization.

21340013231183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 21340013231183 its reverse (38113231004312), we get a palindrome (59453244235495).

The spelling of 21340013231183 in words is "twenty-one trillion, three hundred forty billion, thirteen million, two hundred thirty-one thousand, one hundred eighty-three".