43242040324331 has 4 divisors (see below), whose sum is σ = 45785689755192. Its totient is φ = 40698390893472.

The previous prime is 43242040324303. The next prime is 43242040324471. The reversal of 43242040324331 is 13342304024234.

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 43242040324331 - 2¹⁸ = 43242040062187 is a prime.

It is a super-2 number, since 2×43242040324331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43242040324291 and 43242040324300.

It is not an unprimeable number, because it can be changed into a prime (43242040320331) 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, 1271824715405 + ... + 1271824715438.

It is an arithmetic number, because the mean of its divisors is an integer number (11446422438798).

Almost surely, 2^{43242040324331} is an apocalyptic number.

43242040324331 is a deficient number, since it is larger than the sum of its proper divisors (2543649430861).

43242040324331 is a wasteful number, since it uses less digits than its factorization.

43242040324331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543649430860.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 43242040324331 its reverse (13342304024234), we get a palindrome (56584344348565).

The spelling of 43242040324331 in words is "forty-three trillion, two hundred forty-two billion, forty million, three hundred twenty-four thousand, three hundred thirty-one".