13112340203 has 4 divisors (see below), whose sum is σ = 13163361240. Its totient is φ = 13061319168.

The previous prime is 13112340161. The next prime is 13112340209. The reversal of 13112340203 is 30204321131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30204321131 = 877 ⋅34440503.

It is a cyclic number.

It is not a de Polignac number, because 13112340203 - 2⁶ = 13112340139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13112340209) 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, 25510133 + ... + 25510646.

It is an arithmetic number, because the mean of its divisors is an integer number (3290840310).

Almost surely, 2^13112340203 is an apocalyptic number.

13112340203 is a deficient number, since it is larger than the sum of its proper divisors (51021037).

13112340203 is an equidigital number, since it uses as much as digits as its factorization.

13112340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51021036.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13112340203 its reverse (30204321131), we get a palindrome (43316661334).

The spelling of 13112340203 in words is "thirteen billion, one hundred twelve million, three hundred forty thousand, two hundred three".