13100203 has 4 divisors (see below), whose sum is σ = 13216248. Its totient is φ = 12984160.

The previous prime is 13100189. The next prime is 13100207. The reversal of 13100203 is 30200131.

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-13100203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13100203.

It is not an unprimeable number, because it can be changed into a prime (13100207) 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, 57853 + ... + 58078.

It is an arithmetic number, because the mean of its divisors is an integer number (3304062).

Almost surely, 2^13100203 is an apocalyptic number.

13100203 is a deficient number, since it is larger than the sum of its proper divisors (116045).

13100203 is a wasteful number, since it uses less digits than its factorization.

13100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116044.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 13100203 is about 3619.4202574446. The cubic root of 13100203 is about 235.7360534185.

Adding to 13100203 its reverse (30200131), we get a palindrome (43300334).

The spelling of 13100203 in words is "thirteen million, one hundred thousand, two hundred three".