13443244234431 has 32 divisors (see below), whose sum is σ = 19971471310848. Its totient is φ = 7973423295840.

The previous prime is 13443244234417. The next prime is 13443244234439.

13443244234431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13443244234431 - 2²² = 13443240040127 is a prime.

It is a super-2 number, since 2×13443244234431² (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 (13443244234439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19083426 + ... + 19775328.

It is an arithmetic number, because the mean of its divisors is an integer number (624108478464).

Almost surely, 2^{13443244234431} is an apocalyptic number.

13443244234431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13443244234431 is a deficient number, since it is larger than the sum of its proper divisors (6528227076417).

13443244234431 is a wasteful number, since it uses less digits than its factorization.

13443244234431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704491.

The product of its digits is 1327104, while the sum is 42.

It can be divided in two parts, 1344324 and 4234431, that added together give a palindrome (5578755).

The spelling of 13443244234431 in words is "thirteen trillion, four hundred forty-three billion, two hundred forty-four million, two hundred thirty-four thousand, four hundred thirty-one".