231382 has 8 divisors (see below), whose sum is σ = 365400. Its totient is φ = 109584.

The previous prime is 231379. The next prime is 231409. The reversal of 231382 is 283132.

It is a happy number.

231382 is nontrivially palindromic in base 13.

231382 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 3007 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (45675).

2²³¹³⁸² is an apocalyptic number.

231382 is a deficient number, since it is larger than the sum of its proper divisors (134018).

231382 is a wasteful number, since it uses less digits than its factorization.

231382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110.

The product of its digits is 288, while the sum is 19.

The square root of 231382 is about 481.0218290265. The cubic root of 231382 is about 61.3917278871.

The spelling of 231382 in words is "two hundred thirty-one thousand, three hundred eighty-two".