231048 has 24 divisors (see below), whose sum is σ = 625950. Its totient is φ = 76992.

The previous prime is 231041. The next prime is 231053. The reversal of 231048 is 840132.

It is a happy number.

231048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 191844 + 39204 = 438^2 + 198^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 231048.

It is not an unprimeable number, because it can be changed into a prime (231041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1533 + ... + 1676.

2²³¹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

231048 is an abundant number, since it is smaller than the sum of its proper divisors (394902).

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

231048 is a wasteful number, since it uses less digits than its factorization.

231048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 231048 is about 480.6745260569. The cubic root of 231048 is about 61.3621740018.

The spelling of 231048 in words is "two hundred thirty-one thousand, forty-eight".