4043421231 has 8 divisors (see below), whose sum is σ = 5402300544. Its totient is φ = 2690078040.

The previous prime is 4043421227. The next prime is 4043421259. The reversal of 4043421231 is 1321243404.

4043421231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4043421231 - 2² = 4043421227 is a prime.

It is a super-2 number, since 2×4043421231² = 32698510502603110722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043421631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382325 + ... + 1385246.

It is an arithmetic number, because the mean of its divisors is an integer number (675287568).

Almost surely, 2^4043421231 is an apocalyptic number.

4043421231 is a deficient number, since it is larger than the sum of its proper divisors (1358879313).

4043421231 is a wasteful number, since it uses less digits than its factorization.

4043421231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768061.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4043421231 is about 63587.9016087180. The cubic root of 4043421231 is about 1593.1243014247.

Adding to 4043421231 its reverse (1321243404), we get a palindrome (5364664635).

The spelling of 4043421231 in words is "four billion, forty-three million, four hundred twenty-one thousand, two hundred thirty-one".