4531231 has 6 divisors (see below), whose sum is σ = 4813760. Its totient is φ = 4264416.

The previous prime is 4531217. The next prime is 4531243. The reversal of 4531231 is 1321354.

It is not a de Polignac number, because 4531231 - 2⁵ = 4531199 is a prime.

It is a super-2 number, since 2×4531231² = 41064108750722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4531199 and 4531208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7551 + ... + 8128.

Almost surely, 2^4531231 is an apocalyptic number.

4531231 is a deficient number, since it is larger than the sum of its proper divisors (282529).

4531231 is a wasteful number, since it uses less digits than its factorization.

4531231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15713 (or 15696 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 4531231 is about 2128.6688328625. The cubic root of 4531231 is about 165.4774174120.

Adding to 4531231 its reverse (1321354), we get a palindrome (5852585).

The spelling of 4531231 in words is "four million, five hundred thirty-one thousand, two hundred thirty-one".