13240503203 has 4 divisors (see below), whose sum is σ = 13321733448. Its totient is φ = 13159272960.

The previous prime is 13240503187. The next prime is 13240503209. The reversal of 13240503203 is 30230504231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30230504231 = 433 ⋅69816407.

It is a cyclic number.

It is not a de Polignac number, because 13240503203 - 2⁴ = 13240503187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240503209) 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, 40614878 + ... + 40615203.

It is an arithmetic number, because the mean of its divisors is an integer number (3330433362).

Almost surely, 2^13240503203 is an apocalyptic number.

13240503203 is a deficient number, since it is larger than the sum of its proper divisors (81230245).

13240503203 is an equidigital number, since it uses as much as digits as its factorization.

13240503203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81230244.

The product of its (nonzero) digits is 2160, while the sum is 23.

The spelling of 13240503203 in words is "thirteen billion, two hundred forty million, five hundred three thousand, two hundred three".