3243153321 has 6 divisors (see below), whose sum is σ = 4684554810. Its totient is φ = 2162102208.

The previous prime is 3243153311. The next prime is 3243153337. The reversal of 3243153321 is 1233513423.

3243153321 is a `hidden beast` number, since 3 + 24 + 315 + 3 + 321 = 666.

3243153321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2794179600 + 448973721 = 52860^2 + 21189^2 .

It is not a de Polignac number, because 3243153321 - 2¹⁵ = 3243120553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3243153311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180175176 + ... + 180175193.

It is an arithmetic number, because the mean of its divisors is an integer number (780759135).

Almost surely, 2^3243153321 is an apocalyptic number.

It is an amenable number.

3243153321 is a deficient number, since it is larger than the sum of its proper divisors (1441401489).

3243153321 is a wasteful number, since it uses less digits than its factorization.

3243153321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360350375 (or 360350372 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 3243153321 is about 56948.6902483279. The cubic root of 3243153321 is about 1480.2071357578.

Adding to 3243153321 its reverse (1233513423), we get a palindrome (4476666744).

The spelling of 3243153321 in words is "three billion, two hundred forty-three million, one hundred fifty-three thousand, three hundred twenty-one".