4331231 has 4 divisors (see below), whose sum is σ = 4336464. Its totient is φ = 4326000.

The previous prime is 4331219. The next prime is 4331251. The reversal of 4331231 is 1321334.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4331231 - 2⁶ = 4331167 is a prime.

It is a super-2 number, since 2×4331231² = 37519123950722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331251) 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, 1070 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (1084116).

Almost surely, 2^4331231 is an apocalyptic number.

4331231 is a deficient number, since it is larger than the sum of its proper divisors (5233).

4331231 is a wasteful number, since it uses less digits than its factorization.

4331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232.

The product of its digits is 216, while the sum is 17.

The square root of 4331231 is about 2081.1609740719. The cubic root of 4331231 is about 163.0060720134.

Adding to 4331231 its reverse (1321334), we get a palindrome (5652565).

The spelling of 4331231 in words is "four million, three hundred thirty-one thousand, two hundred thirty-one".