3231320230221 has 8 divisors (see below), whose sum is σ = 4352843746944. Its totient is φ = 2132005100160.

The previous prime is 3231320230213. The next prime is 3231320230279. The reversal of 3231320230221 is 1220320231323.

3231320230221 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3231320230221 - 2³ = 3231320230213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3231320230191 and 3231320230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231320230121) 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, 5552096325 + ... + 5552096906.

It is an arithmetic number, because the mean of its divisors is an integer number (544105468368).

Almost surely, 2^{3231320230221} is an apocalyptic number.

It is an amenable number.

3231320230221 is a deficient number, since it is larger than the sum of its proper divisors (1121523516723).

3231320230221 is a wasteful number, since it uses less digits than its factorization.

3231320230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104193331.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 3231320230221 its reverse (1220320231323), we get a palindrome (4451640461544).

The spelling of 3231320230221 in words is "three trillion, two hundred thirty-one billion, three hundred twenty million, two hundred thirty thousand, two hundred twenty-one".