3240431630565 has 16 divisors (see below), whose sum is σ = 5186601728448. Its totient is φ = 1727593163136.

The previous prime is 3240431630563. The next prime is 3240431630609. The reversal of 3240431630565 is 5650361340423.

It is not a de Polignac number, because 3240431630565 - 2¹ = 3240431630563 is a prime.

It is a super-2 number, since 2×3240431630565² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240431630563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39772939 + ... + 39854328.

It is an arithmetic number, because the mean of its divisors is an integer number (324162608028).

Almost surely, 2^{3240431630565} is an apocalyptic number.

It is an amenable number.

3240431630565 is a deficient number, since it is larger than the sum of its proper divisors (1946170097883).

3240431630565 is a wasteful number, since it uses less digits than its factorization.

3240431630565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79629988.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 3240431630565 its reverse (5650361340423), we get a palindrome (8890792970988).

The spelling of 3240431630565 in words is "three trillion, two hundred forty billion, four hundred thirty-one million, six hundred thirty thousand, five hundred sixty-five".