231167 has 4 divisors (see below), whose sum is σ = 238656. Its totient is φ = 223680.

The previous prime is 231131. The next prime is 231169. The reversal of 231167 is 761132.

It is a happy number.

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 231167 - 2¹⁰ = 230143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231169) 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 in 3 ways as a sum of consecutive naturals, for example, 3698 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (59664).

2²³¹¹⁶⁷ is an apocalyptic number.

231167 is a deficient number, since it is larger than the sum of its proper divisors (7489).

231167 is an equidigital number, since it uses as much as digits as its factorization.

231167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488.

The product of its digits is 252, while the sum is 20.

The square root of 231167 is about 480.7982945061. The cubic root of 231167 is about 61.3727069436.

Adding to 231167 its reverse (761132), we get a palindrome (992299).

The spelling of 231167 in words is "two hundred thirty-one thousand, one hundred sixty-seven".