3240133331 has 4 divisors (see below), whose sum is σ = 3240595464. Its totient is φ = 3239671200.

The previous prime is 3240133321. The next prime is 3240133339. The reversal of 3240133331 is 1333310423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3240133331 - 2²² = 3235939027 is a prime.

It is a super-2 number, since 2×3240133331² = 20996928005314311122, 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 = 3240133297 and 3240133306.

It is not an unprimeable number, because it can be changed into a prime (3240133339) 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 3 ways as a sum of consecutive naturals, for example, 220385 + ... + 234626.

It is an arithmetic number, because the mean of its divisors is an integer number (810148866).

Almost surely, 2^3240133331 is an apocalyptic number.

3240133331 is a deficient number, since it is larger than the sum of its proper divisors (462133).

3240133331 is an equidigital number, since it uses as much as digits as its factorization.

3240133331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462132.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 3240133331 is about 56922.1690644339. The cubic root of 3240133331 is about 1479.7475420064.

Adding to 3240133331 its reverse (1333310423), we get a palindrome (4573443754).

The spelling of 3240133331 in words is "three billion, two hundred forty million, one hundred thirty-three thousand, three hundred thirty-one".