13031322203 has 4 divisors (see below), whose sum is σ = 13035386280. Its totient is φ = 13027258128.

The previous prime is 13031322193. The next prime is 13031322211. The reversal of 13031322203 is 30222313031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30222313031 = 163393 ⋅184967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031322203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13031322233) 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, 2027225 + ... + 2033642.

It is an arithmetic number, because the mean of its divisors is an integer number (3258846570).

Almost surely, 2^13031322203 is an apocalyptic number.

13031322203 is a deficient number, since it is larger than the sum of its proper divisors (4064077).

13031322203 is an equidigital number, since it uses as much as digits as its factorization.

13031322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064076.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13031322203 its reverse (30222313031), we get a palindrome (43253635234).

The spelling of 13031322203 in words is "thirteen billion, thirty-one million, three hundred twenty-two thousand, two hundred three".