13213100203 has 4 divisors (see below), whose sum is σ = 13213402920. Its totient is φ = 13212797488.

The previous prime is 13213100189. The next prime is 13213100221. The reversal of 13213100203 is 30200131231.

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-13213100203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213100233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72025 + ... + 177802.

It is an arithmetic number, because the mean of its divisors is an integer number (3303350730).

Almost surely, 2^13213100203 is an apocalyptic number.

13213100203 is a deficient number, since it is larger than the sum of its proper divisors (302717).

13213100203 is an equidigital number, since it uses as much as digits as its factorization.

13213100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302716.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13213100203 its reverse (30200131231), we get a palindrome (43413231434).

The spelling of 13213100203 in words is "thirteen billion, two hundred thirteen million, one hundred thousand, two hundred three".