13231223313 has 48 divisors (see below), whose sum is σ = 22255134720. Its totient is φ = 6844289760.

The previous prime is 13231223309. The next prime is 13231223413. The reversal of 13231223313 is 31332213231.

It is not a de Polignac number, because 13231223313 - 2² = 13231223309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13231223303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 596406 + ... + 618192.

It is an arithmetic number, because the mean of its divisors is an integer number (463648640).

Almost surely, 2^13231223313 is an apocalyptic number.

It is an amenable number.

13231223313 is a deficient number, since it is larger than the sum of its proper divisors (9023911407).

13231223313 is a wasteful number, since it uses less digits than its factorization.

13231223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22058 (or 22047 counting only the distinct ones).

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

Adding to 13231223313 its reverse (31332213231), we get a palindrome (44563436544).

The spelling of 13231223313 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-three thousand, three hundred thirteen".