32013303221 has 4 divisors (see below), whose sum is σ = 32066044032. Its totient is φ = 31960562412.

The previous prime is 32013303199. The next prime is 32013303233. The reversal of 32013303221 is 12230331023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12230331023 = 47 ⋅260219809.

It is a cyclic number.

It is not a de Polignac number, because 32013303221 - 2¹⁰ = 32013302197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32013303193 and 32013303202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013303251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26369495 + ... + 26370708.

It is an arithmetic number, because the mean of its divisors is an integer number (8016511008).

Almost surely, 2^32013303221 is an apocalyptic number.

It is an amenable number.

32013303221 is a deficient number, since it is larger than the sum of its proper divisors (52740811).

32013303221 is an equidigital number, since it uses as much as digits as its factorization.

32013303221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52740810.

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

Adding to 32013303221 its reverse (12230331023), we get a palindrome (44243634244).

The spelling of 32013303221 in words is "thirty-two billion, thirteen million, three hundred three thousand, two hundred twenty-one".