3231442321 has 4 divisors (see below), whose sum is σ = 3232437732. Its totient is φ = 3230446912.

The previous prime is 3231442301. The next prime is 3231442327. The reversal of 3231442321 is 1232441323.

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 2508907921 + 722534400 = 50089^2 + 26880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231442321 - 2⁵ = 3231442289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3231442327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492820 + ... + 499333.

It is an arithmetic number, because the mean of its divisors is an integer number (808109433).

Almost surely, 2^3231442321 is an apocalyptic number.

It is an amenable number.

3231442321 is a deficient number, since it is larger than the sum of its proper divisors (995411).

3231442321 is an equidigital number, since it uses as much as digits as its factorization.

3231442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995410.

The product of its digits is 3456, while the sum is 25.

The square root of 3231442321 is about 56845.7766329215. The cubic root of 3231442321 is about 1478.4233149752.

Adding to 3231442321 its reverse (1232441323), we get a palindrome (4463883644).

The spelling of 3231442321 in words is "three billion, two hundred thirty-one million, four hundred forty-two thousand, three hundred twenty-one".