13021331113223 has 4 divisors (see below), whose sum is σ = 13787291766960. Its totient is φ = 12255370459488.

The previous prime is 13021331113211. The next prime is 13021331113279. The reversal of 13021331113223 is 32231113312031.

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

It is a cyclic number.

It is not a de Polignac number, because 13021331113223 - 2⁸ = 13021331112967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021331113192 and 13021331113201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021331193223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382980326843 + ... + 382980326876.

It is an arithmetic number, because the mean of its divisors is an integer number (3446822941740).

Almost surely, 2^{13021331113223} is an apocalyptic number.

13021331113223 is a deficient number, since it is larger than the sum of its proper divisors (765960653737).

13021331113223 is an equidigital number, since it uses as much as digits as its factorization.

13021331113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765960653736.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 13021331113223 its reverse (32231113312031), we get a palindrome (45252444425254).

The spelling of 13021331113223 in words is "thirteen trillion, twenty-one billion, three hundred thirty-one million, one hundred thirteen thousand, two hundred twenty-three".