13244143244431 has 8 divisors (see below), whose sum is σ = 14540182741584. Its totient is φ = 11963441493120.

The previous prime is 13244143244413. The next prime is 13244143244443. The reversal of 13244143244431 is 13444234144231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13244143244431 - 2⁵ = 13244143244399 is a prime.

It is a super-2 number, since 2×13244143244431² (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 (13244143244461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834434650 + ... + 3834438103.

It is an arithmetic number, because the mean of its divisors is an integer number (1817522842698).

Almost surely, 2^{13244143244431} is an apocalyptic number.

13244143244431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13244143244431 is a deficient number, since it is larger than the sum of its proper divisors (1296039497153).

13244143244431 is a wasteful number, since it uses less digits than its factorization.

13244143244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668872921.

The product of its digits is 442368, while the sum is 40.

Adding to 13244143244431 its reverse (13444234144231), we get a palindrome (26688377388662).

The spelling of 13244143244431 in words is "thirteen trillion, two hundred forty-four billion, one hundred forty-three million, two hundred forty-four thousand, four hundred thirty-one".