11230231 has 2 divisors, whose sum is σ = 11230232. Its totient is φ = 11230230.

The previous prime is 11230213. The next prime is 11230243. The reversal of 11230231 is 13203211.

Together with previous prime (11230213) 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 not a de Polignac number, because 11230231 - 2⁵ = 11230199 is a prime.

It is a super-3 number, since 3×11230231³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615115 + 5615116.

It is an arithmetic number, because the mean of its divisors is an integer number (5615116).

Almost surely, 2^11230231 is an apocalyptic number.

11230231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230231 is an equidigital number, since it uses as much as digits as its factorization.

11230231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11230231 is about 3351.1536819430. The cubic root of 11230231 is about 223.9389116474.

Adding to 11230231 its reverse (13203211), we get a palindrome (24433442).

The spelling of 11230231 in words is "eleven million, two hundred thirty thousand, two hundred thirty-one".