13331000203 has 4 divisors (see below), whose sum is σ = 13332901120. Its totient is φ = 13329099288.

The previous prime is 13331000183. The next prime is 13331000219. The reversal of 13331000203 is 30200013331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30200013331 = 41 ⋅736585691.

It is a cyclic number.

It is not a de Polignac number, because 13331000203 - 2²⁵ = 13297445771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13331000233) 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 3 ways as a sum of consecutive naturals, for example, 939900 + ... + 953977.

It is an arithmetic number, because the mean of its divisors is an integer number (3333225280).

Almost surely, 2^13331000203 is an apocalyptic number.

13331000203 is a deficient number, since it is larger than the sum of its proper divisors (1900917).

13331000203 is an equidigital number, since it uses as much as digits as its factorization.

13331000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900916.

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

Adding to 13331000203 its reverse (30200013331), we get a palindrome (43531013534).

The spelling of 13331000203 in words is "thirteen billion, three hundred thirty-one million, two hundred three", and thus it is an aban number.