32104431221 has 8 divisors (see below), whose sum is σ = 32480622720. Its totient is φ = 31729480272.

The previous prime is 32104431193. The next prime is 32104431223. The reversal of 32104431221 is 12213440123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32104431221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32104431223) 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, 258026 + ... + 361643.

It is an arithmetic number, because the mean of its divisors is an integer number (4060077840).

Almost surely, 2^32104431221 is an apocalyptic number.

It is an amenable number.

32104431221 is a deficient number, since it is larger than the sum of its proper divisors (376191499).

32104431221 is a wasteful number, since it uses less digits than its factorization.

32104431221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620275.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 32104431221 its reverse (12213440123), we get a palindrome (44317871344).

The spelling of 32104431221 in words is "thirty-two billion, one hundred four million, four hundred thirty-one thousand, two hundred twenty-one".