231327 has 6 divisors (see below), whose sum is σ = 334152. Its totient is φ = 154212.

The previous prime is 231323. The next prime is 231331. The reversal of 231327 is 723132.

It is an interprime number because it is at equal distance from previous prime (231323) and next prime (231331).

It is not a de Polignac number, because 231327 - 2² = 231323 is a prime.

231327 is a lucky number.

It is a plaindrome in base 11.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231323) 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, 12843 + ... + 12860.

It is an arithmetic number, because the mean of its divisors is an integer number (55692).

2²³¹³²⁷ is an apocalyptic number.

231327 is a deficient number, since it is larger than the sum of its proper divisors (102825).

231327 is a wasteful number, since it uses less digits than its factorization.

231327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25709 (or 25706 counting only the distinct ones).

The product of its digits is 252, while the sum is 18.

The square root of 231327 is about 480.9646556661. The cubic root of 231327 is about 61.3868631863.

Adding to 231327 its reverse (723132), we get a palindrome (954459).

It can be divided in two parts, 2 and 31327, that added together give a square (31329 = 177²).

The spelling of 231327 in words is "two hundred thirty-one thousand, three hundred twenty-seven".