13321104243 has 8 divisors (see below), whose sum is σ = 17762014656. Its totient is φ = 8880465000.

The previous prime is 13321104229. The next prime is 13321104257. The reversal of 13321104243 is 34240112331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13321104229) and next prime (13321104257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13321104243 - 2⁵ = 13321104211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13321104743) 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, 125868 + ... + 206118.

It is an arithmetic number, because the mean of its divisors is an integer number (2220251832).

Almost surely, 2^13321104243 is an apocalyptic number.

13321104243 is a deficient number, since it is larger than the sum of its proper divisors (4440910413).

13321104243 is an equidigital number, since it uses as much as digits as its factorization.

13321104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135585.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13321104243 its reverse (34240112331), we get a palindrome (47561216574).

The spelling of 13321104243 in words is "thirteen billion, three hundred twenty-one million, one hundred four thousand, two hundred forty-three".