13104331402243 has 4 divisors (see below), whose sum is σ = 13112890731928. Its totient is φ = 13095772072560.

The previous prime is 13104331402213. The next prime is 13104331402289. The reversal of 13104331402243 is 34220413340131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13104331402243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13104331402213) 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, 4279662546 + ... + 4279665607.

It is an arithmetic number, because the mean of its divisors is an integer number (3278222682982).

Almost surely, 2^{13104331402243} is an apocalyptic number.

13104331402243 is a deficient number, since it is larger than the sum of its proper divisors (8559329685).

13104331402243 is an equidigital number, since it uses as much as digits as its factorization.

13104331402243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8559329684.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13104331402243 its reverse (34220413340131), we get a palindrome (47324744742374).

The spelling of 13104331402243 in words is "thirteen trillion, one hundred four billion, three hundred thirty-one million, four hundred two thousand, two hundred forty-three".