231292 has 12 divisors (see below), whose sum is σ = 412776. Its totient is φ = 113360.

The previous prime is 231289. The next prime is 231293. The reversal of 231292 is 292132.

It is a happy number.

231292 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231293) 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, 334 + ... + 757.

It is an arithmetic number, because the mean of its divisors is an integer number (34398).

2²³¹²⁹² is an apocalyptic number.

It is an amenable number.

231292 is a deficient number, since it is larger than the sum of its proper divisors (181484).

231292 is a wasteful number, since it uses less digits than its factorization.

231292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1146 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 231292 is about 480.9282690797. The cubic root of 231292 is about 61.3837670661.

The spelling of 231292 in words is "two hundred thirty-one thousand, two hundred ninety-two".