13231331222203 has 4 divisors (see below), whose sum is σ = 13231401424528. Its totient is φ = 13231261019880.

The previous prime is 13231331222047. The next prime is 13231331222227. The reversal of 13231331222203 is 30222213313231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13231331222203 - 2²¹ = 13231329125051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231331222303) 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, 34817688 + ... + 35195653.

It is an arithmetic number, because the mean of its divisors is an integer number (3307850356132).

Almost surely, 2^{13231331222203} is an apocalyptic number.

13231331222203 is a deficient number, since it is larger than the sum of its proper divisors (70202325).

13231331222203 is an equidigital number, since it uses as much as digits as its factorization.

13231331222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70202324.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13231331222203 its reverse (30222213313231), we get a palindrome (43453544535434).

The spelling of 13231331222203 in words is "thirteen trillion, two hundred thirty-one billion, three hundred thirty-one million, two hundred twenty-two thousand, two hundred three".