13321023203103 has 32 divisors (see below), whose sum is σ = 22144247784960. Its totient is φ = 6919946674560.

The previous prime is 13321023203071. The next prime is 13321023203119. The reversal of 13321023203103 is 30130232012331.

It is not a de Polignac number, because 13321023203103 - 2⁵ = 13321023203071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321023203203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33016593 + ... + 33417621.

It is an arithmetic number, because the mean of its divisors is an integer number (692007743280).

Almost surely, 2^{13321023203103} is an apocalyptic number.

13321023203103 is a deficient number, since it is larger than the sum of its proper divisors (8823224581857).

13321023203103 is a wasteful number, since it uses less digits than its factorization.

13321023203103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544847.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13321023203103 its reverse (30130232012331), we get a palindrome (43451255215434).

The spelling of 13321023203103 in words is "thirteen trillion, three hundred twenty-one billion, twenty-three million, two hundred three thousand, one hundred three".