231006 has 8 divisors (see below), whose sum is σ = 462024. Its totient is φ = 77000.

The previous prime is 231001. The next prime is 231017. The reversal of 231006 is 600132.

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

231006 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230982 and 231000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231001) by changing a digit.

231006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19245 + ... + 19256.

It is an arithmetic number, because the mean of its divisors is an integer number (57753).

2²³¹⁰⁰⁶ is an apocalyptic number.

231006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231006 is a wasteful number, since it uses less digits than its factorization.

231006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38506.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 231006 is about 480.6308354652. The cubic root of 231006 is about 61.3584556295.

Adding to 231006 its reverse (600132), we get a palindrome (831138).

The spelling of 231006 in words is "two hundred thirty-one thousand, six".