13032032321 has 16 divisors (see below), whose sum is σ = 16476576768. Its totient is φ = 10011800400.

The previous prime is 13032032311. The next prime is 13032032333. The reversal of 13032032321 is 12323023031.

It is not a de Polignac number, because 13032032321 - 2¹⁴ = 13032015937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13032032293 and 13032032302.

It is not an unprimeable number, because it can be changed into a prime (13032032311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186415 + ... + 1197348.

It is an arithmetic number, because the mean of its divisors is an integer number (1029786048).

Almost surely, 2^13032032321 is an apocalyptic number.

13032032321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13032032321 is a deficient number, since it is larger than the sum of its proper divisors (3444544447).

13032032321 is a wasteful number, since it uses less digits than its factorization.

13032032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383852.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13032032321 its reverse (12323023031), we get a palindrome (25355055352).

The spelling of 13032032321 in words is "thirteen billion, thirty-two million, thirty-two thousand, three hundred twenty-one".