3243241021 has 8 divisors (see below), whose sum is σ = 3299655744. Its totient is φ = 3187124640.

The previous prime is 3243241003. The next prime is 3243241051. The reversal of 3243241021 is 1201423423.

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 3243241021 - 2⁷ = 3243240893 is a prime.

It is a super-2 number, since 2×3243241021² = 21037224640594244882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3243240983 and 3243241001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243241051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52600 + ... + 96193.

It is an arithmetic number, because the mean of its divisors is an integer number (412456968).

Almost surely, 2^3243241021 is an apocalyptic number.

It is an amenable number.

3243241021 is a deficient number, since it is larger than the sum of its proper divisors (56414723).

3243241021 is a wasteful number, since it uses less digits than its factorization.

3243241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149171.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3243241021 is about 56949.4602344921. The cubic root of 3243241021 is about 1480.2204780190.

Adding to 3243241021 its reverse (1201423423), we get a palindrome (4444664444).

The spelling of 3243241021 in words is "three billion, two hundred forty-three million, two hundred forty-one thousand, twenty-one".