3231020132321 has 4 divisors (see below), whose sum is σ = 3309825501444. Its totient is φ = 3152214763200.

The previous prime is 3231020132299. The next prime is 3231020132323. The reversal of 3231020132321 is 1232310201323.

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 1197030739921 + 2033989392400 = 1094089^2 + 1426180^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231020132321 - 2²⁶ = 3230953023457 is a prime.

It is a super-2 number, since 2×3231020132321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3231020132323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39402684500 + ... + 39402684581.

It is an arithmetic number, because the mean of its divisors is an integer number (827456375361).

Almost surely, 2^{3231020132321} is an apocalyptic number.

It is an amenable number.

3231020132321 is a deficient number, since it is larger than the sum of its proper divisors (78805369123).

3231020132321 is an equidigital number, since it uses as much as digits as its factorization.

3231020132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78805369122.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3231020132321 its reverse (1232310201323), we get a palindrome (4463330333644).

The spelling of 3231020132321 in words is "three trillion, two hundred thirty-one billion, twenty million, one hundred thirty-two thousand, three hundred twenty-one".