13213203203 has 4 divisors (see below), whose sum is σ = 13217352360. Its totient is φ = 13209054048.

The previous prime is 13213203197. The next prime is 13213203217. The reversal of 13213203203 is 30230231231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13213203203 - 2¹² = 13213199107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213203293) 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, 2069798 + ... + 2076171.

It is an arithmetic number, because the mean of its divisors is an integer number (3304338090).

Almost surely, 2^13213203203 is an apocalyptic number.

13213203203 is a deficient number, since it is larger than the sum of its proper divisors (4149157).

13213203203 is an equidigital number, since it uses as much as digits as its factorization.

13213203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149156.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13213203203 its reverse (30230231231), we get a palindrome (43443434434).

The spelling of 13213203203 in words is "thirteen billion, two hundred thirteen million, two hundred three thousand, two hundred three".