13232031321 has 8 divisors (see below), whose sum is σ = 17781627904. Its totient is φ = 8751894480.

The previous prime is 13232031283. The next prime is 13232031343. The reversal of 13232031321 is 12313023231.

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

It is not a de Polignac number, because 13232031321 - 2⁷ = 13232031193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13232031361) 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, 17364490 + ... + 17365251.

It is an arithmetic number, because the mean of its divisors is an integer number (2222703488).

Almost surely, 2^13232031321 is an apocalyptic number.

It is an amenable number.

13232031321 is a deficient number, since it is larger than the sum of its proper divisors (4549596583).

13232031321 is a wasteful number, since it uses less digits than its factorization.

13232031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34729871.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13232031321 its reverse (12313023231), we get a palindrome (25545054552).

The spelling of 13232031321 in words is "thirteen billion, two hundred thirty-two million, thirty-one thousand, three hundred twenty-one".