231227 has 4 divisors (see below), whose sum is σ = 233496. Its totient is φ = 228960.

The previous prime is 231223. The next prime is 231241. The reversal of 231227 is 722132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231227 - 2² = 231223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231223) 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 in 3 ways as a sum of consecutive naturals, for example, 974 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (58374).

2²³¹²²⁷ is an apocalyptic number.

231227 is a deficient number, since it is larger than the sum of its proper divisors (2269).

231227 is a wasteful number, since it uses less digits than its factorization.

231227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268.

The product of its digits is 168, while the sum is 17.

The square root of 231227 is about 480.8606866859. The cubic root of 231227 is about 61.3780162999.

Adding to 231227 its reverse (722132), we get a palindrome (953359).

The spelling of 231227 in words is "two hundred thirty-one thousand, two hundred twenty-seven".