13231223133 has 8 divisors (see below), whose sum is σ = 18408658368. Its totient is φ = 8437301664.

The previous prime is 13231223099. The next prime is 13231223149. The reversal of 13231223133 is 33132213231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13231223133 - 2⁶ = 13231223069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231223183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95878360 + ... + 95878497.

It is an arithmetic number, because the mean of its divisors is an integer number (2301082296).

Almost surely, 2^13231223133 is an apocalyptic number.

It is an amenable number.

13231223133 is a deficient number, since it is larger than the sum of its proper divisors (5177435235).

13231223133 is a wasteful number, since it uses less digits than its factorization.

13231223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191756883.

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

Adding to 13231223133 its reverse (33132213231), we get a palindrome (46363436364).

The spelling of 13231223133 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred thirty-three".