231162 has 16 divisors (see below), whose sum is σ = 470880. Its totient is φ = 75632.

The previous prime is 231131. The next prime is 231169. The reversal of 231162 is 261132.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (231169) by changing a digit.

231162 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 28 + ... + 680.

It is an arithmetic number, because the mean of its divisors is an integer number (29430).

2²³¹¹⁶² is an apocalyptic number.

231162 is an abundant number, since it is smaller than the sum of its proper divisors (239718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231162 is a wasteful number, since it uses less digits than its factorization.

231162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its digits is 72, while the sum is 15.

The square root of 231162 is about 480.7930947923. The cubic root of 231162 is about 61.3722644558.

Adding to 231162 its reverse (261132), we get a palindrome (492294).

It can be divided in two parts, 231 and 162, that added together give a palindrome (393).

The spelling of 231162 in words is "two hundred thirty-one thousand, one hundred sixty-two".