3243312421 has 8 divisors (see below), whose sum is σ = 3329936064. Its totient is φ = 3157046880.

The previous prime is 3243312419. The next prime is 3243312427. The reversal of 3243312421 is 1242133423.

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 3243312421 - 2¹ = 3243312419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243312427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71121 + ... + 107446.

It is an arithmetic number, because the mean of its divisors is an integer number (416242008).

Almost surely, 2^3243312421 is an apocalyptic number.

It is an amenable number.

3243312421 is a deficient number, since it is larger than the sum of its proper divisors (86623643).

3243312421 is a wasteful number, since it uses less digits than its factorization.

3243312421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179051.

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

The square root of 3243312421 is about 56950.0871026551. The cubic root of 3243312421 is about 1480.2313402980.

Adding to 3243312421 its reverse (1242133423), we get a palindrome (4485445844).

The spelling of 3243312421 in words is "three billion, two hundred forty-three million, three hundred twelve thousand, four hundred twenty-one".