4042243231 has 12 divisors (see below), whose sum is σ = 4383069600. Its totient is φ = 3726216000.

The previous prime is 4042243211. The next prime is 4042243237. The reversal of 4042243231 is 1323422404.

It is a happy number.

It is not a de Polignac number, because 4042243231 - 2⁹ = 4042242719 is a prime.

It is a super-2 number, since 2×4042243231² = 32679460677130638722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4042243196 and 4042243205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042243237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110995 + ... + 142843.

It is an arithmetic number, because the mean of its divisors is an integer number (365255800).

Almost surely, 2^4042243231 is an apocalyptic number.

4042243231 is a deficient number, since it is larger than the sum of its proper divisors (340826369).

4042243231 is a wasteful number, since it uses less digits than its factorization.

4042243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32626 (or 32613 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4042243231 is about 63578.6381656606. The cubic root of 4042243231 is about 1592.9695741447.

Adding to 4042243231 its reverse (1323422404), we get a palindrome (5365665635).

The spelling of 4042243231 in words is "four billion, forty-two million, two hundred forty-three thousand, two hundred thirty-one".