13203103003 has 4 divisors (see below), whose sum is σ = 13452218208. Its totient is φ = 12953987800.

The previous prime is 13203102961. The next prime is 13203103031. The reversal of 13203103003 is 30030130231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30030130231 = 73 ⋅411371647.

It is a cyclic number.

It is not a de Polignac number, because 13203103003 - 2⁹ = 13203102491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13203103033) 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, 124557523 + ... + 124557628.

It is an arithmetic number, because the mean of its divisors is an integer number (3363054552).

Almost surely, 2^13203103003 is an apocalyptic number.

13203103003 is a deficient number, since it is larger than the sum of its proper divisors (249115205).

13203103003 is an equidigital number, since it uses as much as digits as its factorization.

13203103003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249115204.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 13203103003 its reverse (30030130231), we get a palindrome (43233233234).

The spelling of 13203103003 in words is "thirteen billion, two hundred three million, one hundred three thousand, three".