13320442243 has 8 divisors (see below), whose sum is σ = 13347477360. Its totient is φ = 13293434880.

The previous prime is 13320442231. The next prime is 13320442253. The reversal of 13320442243 is 34224402331.

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 13320442243 - 2⁵ = 13320442211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320442253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136871 + ... + 1148527.

It is an arithmetic number, because the mean of its divisors is an integer number (1668434670).

Almost surely, 2^13320442243 is an apocalyptic number.

13320442243 is a deficient number, since it is larger than the sum of its proper divisors (27035117).

13320442243 is a wasteful number, since it uses less digits than its factorization.

13320442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13877.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 13320442243 its reverse (34224402331), we get a palindrome (47544844574).

The spelling of 13320442243 in words is "thirteen billion, three hundred twenty million, four hundred forty-two thousand, two hundred forty-three".