13044423243231 has 24 divisors (see below), whose sum is σ = 19841731902720. Its totient is φ = 8235216027216.

The previous prime is 13044423243227. The next prime is 13044423243281. The reversal of 13044423243231 is 13234232444031.

13044423243231 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 4 + 4 + 2 + 324 + 323 + 1 = 666.

It is not a de Polignac number, because 13044423243231 - 2² = 13044423243227 is a prime.

It is a super-2 number, since 2×13044423243231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044423243281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15168645 + ... + 16005518.

It is an arithmetic number, because the mean of its divisors is an integer number (826738829280).

Almost surely, 2^{13044423243231} is an apocalyptic number.

13044423243231 is a deficient number, since it is larger than the sum of its proper divisors (6797308659489).

13044423243231 is a wasteful number, since it uses less digits than its factorization.

13044423243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176635 (or 31176632 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 13044423243231 its reverse (13234232444031), we get a palindrome (26278655687262).

The spelling of 13044423243231 in words is "thirteen trillion, forty-four billion, four hundred twenty-three million, two hundred forty-three thousand, two hundred thirty-one".