32000332321 has 4 divisors (see below), whose sum is σ = 32003207572. Its totient is φ = 31997457072.

The previous prime is 32000332289. The next prime is 32000332327. The reversal of 32000332321 is 12323300023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18273632400 + 13726699921 = 135180^2 + 117161^2 .

It is a cyclic number.

It is not a de Polignac number, because 32000332321 - 2⁵ = 32000332289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32000332327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420866 + ... + 1443211.

It is an arithmetic number, because the mean of its divisors is an integer number (8000801893).

Almost surely, 2^32000332321 is an apocalyptic number.

It is an amenable number.

32000332321 is a deficient number, since it is larger than the sum of its proper divisors (2875251).

32000332321 is a wasteful number, since it uses less digits than its factorization.

32000332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875250.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 32000332321 its reverse (12323300023), we get a palindrome (44323632344).

The spelling of 32000332321 in words is "thirty-two billion, three hundred thirty-two thousand, three hundred twenty-one".