4318231 has 2 divisors, whose sum is σ = 4318232. Its totient is φ = 4318230.

The previous prime is 4318213. The next prime is 4318247. The reversal of 4318231 is 1328134.

Together with previous prime (4318213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4318231 is a prime.

It is a super-2 number, since 2×4318231² = 37294237938722, which contains 22 as substring.

4318231 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4318201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2159115 + 2159116.

It is an arithmetic number, because the mean of its divisors is an integer number (2159116).

Almost surely, 2^4318231 is an apocalyptic number.

4318231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4318231 is an equidigital number, since it uses as much as digits as its factorization.

4318231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

The square root of 4318231 is about 2078.0353702476. The cubic root of 4318231 is about 162.8428233830.

The spelling of 4318231 in words is "four million, three hundred eighteen thousand, two hundred thirty-one".