32313201221 has 8 divisors (see below), whose sum is σ = 36936919680. Its totient is φ = 27691369488.

The previous prime is 32313201161. The next prime is 32313201223. The reversal of 32313201221 is 12210231323.

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

It is a cyclic number.

It is not a de Polignac number, because 32313201221 - 2²⁶ = 32246092357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32313201193 and 32313201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32313201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434786 + ... + 503651.

It is an arithmetic number, because the mean of its divisors is an integer number (4617114960).

Almost surely, 2^32313201221 is an apocalyptic number.

It is an amenable number.

32313201221 is a deficient number, since it is larger than the sum of its proper divisors (4623718459).

32313201221 is an equidigital number, since it uses as much as digits as its factorization.

32313201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943363.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32313201221 its reverse (12210231323), we get a palindrome (44523432544).

The spelling of 32313201221 in words is "thirty-two billion, three hundred thirteen million, two hundred one thousand, two hundred twenty-one".