13203103113 has 20 divisors (see below), whose sum is σ = 19752541908. Its totient is φ = 8788953600.

The previous prime is 13203103049. The next prime is 13203103181. The reversal of 13203103113 is 31130130231.

It is a happy number.

13203103113 is a `hidden beast` number, since 1 + 320 + 31 + 0 + 311 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7230441024 + 5972662089 = 85032^2 + 77283^2 .

It is not a de Polignac number, because 13203103113 - 2⁶ = 13203103049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13203103213) 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 19 ways as a sum of consecutive naturals, for example, 66588 + ... + 175613.

Almost surely, 2^13203103113 is an apocalyptic number.

It is an amenable number.

13203103113 is a deficient number, since it is larger than the sum of its proper divisors (6549438795).

13203103113 is an equidigital number, since it uses as much as digits as its factorization.

13203103113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242886 (or 242877 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13203103113 its reverse (31130130231), we get a palindrome (44333233344).

The spelling of 13203103113 in words is "thirteen billion, two hundred three million, one hundred three thousand, one hundred thirteen".