167231 has 4 divisors (see below), whose sum is σ = 169200. Its totient is φ = 165264.

The previous prime is 167221. The next prime is 167249. The reversal of 167231 is 132761.

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 167231 - 2¹⁰ = 166207 is a prime.

It is a super-2 number, since 2×167231² = 55932414722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167221) 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, 851 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (42300).

2¹⁶⁷²³¹ is an apocalyptic number.

167231 is a deficient number, since it is larger than the sum of its proper divisors (1969).

167231 is an equidigital number, since it uses as much as digits as its factorization.

167231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

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

The square root of 167231 is about 408.9388707374. The cubic root of 167231 is about 55.0941637621.

Adding to 167231 its reverse (132761), we get a palindrome (299992).

The spelling of 167231 in words is "one hundred sixty-seven thousand, two hundred thirty-one".