13043324221311 has 4 divisors (see below), whose sum is σ = 17391098961752. Its totient is φ = 8695549480872.

The previous prime is 13043324221283. The next prime is 13043324221321. The reversal of 13043324221311 is 11312242334031.

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

It is not a de Polignac number, because 13043324221311 - 2⁷ = 13043324221183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043324221321) 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, 2173887370216 + ... + 2173887370221.

It is an arithmetic number, because the mean of its divisors is an integer number (4347774740438).

Almost surely, 2^{13043324221311} is an apocalyptic number.

13043324221311 is a deficient number, since it is larger than the sum of its proper divisors (4347774740441).

13043324221311 is an equidigital number, since it uses as much as digits as its factorization.

13043324221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347774740440.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13043324221311 its reverse (11312242334031), we get a palindrome (24355566555342).

The spelling of 13043324221311 in words is "thirteen trillion, forty-three billion, three hundred twenty-four million, two hundred twenty-one thousand, three hundred eleven".