13213111113203 has 4 divisors (see below), whose sum is σ = 13437062149080. Its totient is φ = 12989160077328.

The previous prime is 13213111113199. The next prime is 13213111113221. The reversal of 13213111113203 is 30231111131231.

13213111113203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13213111113203 - 2² = 13213111113199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13213111113703) 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, 111975517850 + ... + 111975517967.

It is an arithmetic number, because the mean of its divisors is an integer number (3359265537270).

Almost surely, 2^{13213111113203} is an apocalyptic number.

13213111113203 is a deficient number, since it is larger than the sum of its proper divisors (223951035877).

13213111113203 is an equidigital number, since it uses as much as digits as its factorization.

13213111113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223951035876.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 13213111113203 its reverse (30231111131231), we get a palindrome (43444222244434).

The spelling of 13213111113203 in words is "thirteen trillion, two hundred thirteen billion, one hundred eleven million, one hundred thirteen thousand, two hundred three".