3240535531 has 4 divisors (see below), whose sum is σ = 3240703864. Its totient is φ = 3240367200.

The previous prime is 3240535511. The next prime is 3240535537. The reversal of 3240535531 is 1355350423.

3240535531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3240535531 is a prime.

It is a super-2 number, since 2×3240535531² = 21002141055346903922, 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 = 3240535493 and 3240535502.

It is not an unprimeable number, because it can be changed into a prime (3240535537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50910 + ... + 95251.

It is an arithmetic number, because the mean of its divisors is an integer number (810175966).

Almost surely, 2^3240535531 is an apocalyptic number.

3240535531 is a deficient number, since it is larger than the sum of its proper divisors (168333).

3240535531 is a wasteful number, since it uses less digits than its factorization.

3240535531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168332.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 3240535531 is about 56925.7018489891. The cubic root of 3240535531 is about 1479.8087668364.

Adding to 3240535531 its reverse (1355350423), we get a palindrome (4595885954).

The spelling of 3240535531 in words is "three billion, two hundred forty million, five hundred thirty-five thousand, five hundred thirty-one".