3243333231 has 40 divisors (see below), whose sum is σ = 5117031920. Its totient is φ = 2041573248.

The previous prime is 3243333227. The next prime is 3243333257. The reversal of 3243333231 is 1323333423.

It is a happy number.

3243333231 is a `hidden beast` number, since 3 + 2 + 4 + 333 + 323 + 1 = 666.

3243333231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3243333231 - 2² = 3243333227 is a prime.

It is a super-2 number, since 2×3243333231² = 21038420894617798722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3243333195 and 3243333204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243333221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 478341 + ... + 485073.

It is an arithmetic number, because the mean of its divisors is an integer number (127925798).

Almost surely, 2^3243333231 is an apocalyptic number.

3243333231 is a deficient number, since it is larger than the sum of its proper divisors (1873698689).

3243333231 is a wasteful number, since it uses less digits than its factorization.

3243333231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077 (or 7068 counting only the distinct ones).

The product of its digits is 11664, while the sum is 27.

The square root of 3243333231 is about 56950.2698062090. The cubic root of 3243333231 is about 1480.2345061507.

Adding to 3243333231 its reverse (1323333423), we get a palindrome (4566666654).

The spelling of 3243333231 in words is "three billion, two hundred forty-three million, three hundred thirty-three thousand, two hundred thirty-one".