13113133323243 has 16 divisors (see below), whose sum is σ = 17553716969376. Its totient is φ = 8707386470400.

The previous prime is 13113133323209. The next prime is 13113133323271. The reversal of 13113133323243 is 34232333131131.

It is a happy number.

It is not a de Polignac number, because 13113133323243 - 2⁶ = 13113133323179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13113133373243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7617630 + ... + 9179027.

It is an arithmetic number, because the mean of its divisors is an integer number (1097107310586).

Almost surely, 2^{13113133323243} is an apocalyptic number.

13113133323243 is a deficient number, since it is larger than the sum of its proper divisors (4440583646133).

13113133323243 is a wasteful number, since it uses less digits than its factorization.

13113133323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16797694.

The product of its digits is 34992, while the sum is 33.

Adding to 13113133323243 its reverse (34232333131131), we get a palindrome (47345466454374).

The spelling of 13113133323243 in words is "thirteen trillion, one hundred thirteen billion, one hundred thirty-three million, three hundred twenty-three thousand, two hundred forty-three".