3240443331 has 24 divisors (see below), whose sum is σ = 4929288000. Its totient is φ = 2045641392.

The previous prime is 3240443309. The next prime is 3240443333. The reversal of 3240443331 is 1333440423.

3240443331 is a `hidden beast` number, since 324 + 0 + 4 + 4 + 3 + 331 = 666.

It is not a de Polignac number, because 3240443331 - 2¹⁸ = 3240181187 is a prime.

It is a super-2 number, since 2×3240443331² = 21000945962844751122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3240443295 and 3240443304.

It is not an unprimeable number, because it can be changed into a prime (3240443333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623100 + ... + 628278.

It is an arithmetic number, because the mean of its divisors is an integer number (205387000).

Almost surely, 2^3240443331 is an apocalyptic number.

3240443331 is a deficient number, since it is larger than the sum of its proper divisors (1688844669).

3240443331 is a wasteful number, since it uses less digits than its factorization.

3240443331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863 (or 8860 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 3240443331 is about 56924.8920157079. The cubic root of 3240443331 is about 1479.7947321539.

Adding to 3240443331 its reverse (1333440423), we get a palindrome (4573883754).

The spelling of 3240443331 in words is "three billion, two hundred forty million, four hundred forty-three thousand, three hundred thirty-one".