13232321231 has 8 divisors (see below), whose sum is σ = 13853533680. Its totient is φ = 12622103872.

The previous prime is 13232321227. The next prime is 13232321269. The reversal of 13232321231 is 13212323231.

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

It is a cyclic number.

It is not a de Polignac number, because 13232321231 - 2² = 13232321227 is a prime.

It is a super-2 number, since 2×13232321231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13232321197 and 13232321206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232321731) 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, 2746310 + ... + 2751123.

It is an arithmetic number, because the mean of its divisors is an integer number (1731691710).

Almost surely, 2^13232321231 is an apocalyptic number.

13232321231 is a deficient number, since it is larger than the sum of its proper divisors (621212449).

13232321231 is an equidigital number, since it uses as much as digits as its factorization.

13232321231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497545.

The product of its digits is 1296, while the sum is 23.

Adding to 13232321231 its reverse (13212323231), we get a palindrome (26444644462).

The spelling of 13232321231 in words is "thirteen billion, two hundred thirty-two million, three hundred twenty-one thousand, two hundred thirty-one".