13244142205231 has 12 divisors (see below), whose sum is σ = 16078899288688. Its totient is φ = 10684350012672.

The previous prime is 13244142205201. The next prime is 13244142205249. The reversal of 13244142205231 is 13250224144231.

It is not a de Polignac number, because 13244142205231 - 2⁵ = 13244142205199 is a prime.

It is a super-2 number, since 2×13244142205231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244142205201) 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, 3273389526 + ... + 3273393571.

Almost surely, 2^{13244142205231} is an apocalyptic number.

13244142205231 is a deficient number, since it is larger than the sum of its proper divisors (2834757083457).

13244142205231 is an equidigital number, since it uses as much as digits as its factorization.

13244142205231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546783138 (or 6546783121 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 13244142205231 its reverse (13250224144231), we get a palindrome (26494366349462).

The spelling of 13244142205231 in words is "thirteen trillion, two hundred forty-four billion, one hundred forty-two million, two hundred five thousand, two hundred thirty-one".