13311441424443 has 4 divisors (see below), whose sum is σ = 17748588565928. Its totient is φ = 8874294282960.

The previous prime is 13311441424381. The next prime is 13311441424507. The reversal of 13311441424443 is 34442414411331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13311441424443 - 2²⁸ = 13311172988987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13311441414443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218573570738 + ... + 2218573570743.

It is an arithmetic number, because the mean of its divisors is an integer number (4437147141482).

Almost surely, 2^{13311441424443} is an apocalyptic number.

13311441424443 is a deficient number, since it is larger than the sum of its proper divisors (4437147141485).

13311441424443 is an equidigital number, since it uses as much as digits as its factorization.

13311441424443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437147141484.

The product of its digits is 221184, while the sum is 39.

Adding to 13311441424443 its reverse (34442414411331), we get a palindrome (47753855835774).

The spelling of 13311441424443 in words is "thirteen trillion, three hundred eleven billion, four hundred forty-one million, four hundred twenty-four thousand, four hundred forty-three".