236231 has 2 divisors, whose sum is σ = 236232. Its totient is φ = 236230.

The previous prime is 236219. The next prime is 236261. The reversal of 236231 is 132632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 236231 - 2⁶ = 236167 is a prime.

It is a super-2 number, since 2×236231² = 111610170722, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3⁷ + 2¹³ + 6⁶ + 3¹¹ + 1 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 236231.

It is not a weakly prime, because it can be changed into another prime (236261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118115 + 118116.

It is an arithmetic number, because the mean of its divisors is an integer number (118116).

2²³⁶²³¹ is an apocalyptic number.

236231 is a deficient number, since it is larger than the sum of its proper divisors (1).

236231 is an equidigital number, since it uses as much as digits as its factorization.

236231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 236231 is about 486.0360068966. The cubic root of 236231 is about 61.8176222163.

Adding to 236231 its reverse (132632), we get a palindrome (368863).

The spelling of 236231 in words is "two hundred thirty-six thousand, two hundred thirty-one".