231055 has 8 divisors (see below), whose sum is σ = 302544. Its totient is φ = 168000.

The previous prime is 231053. The next prime is 231067. The reversal of 231055 is 550132.

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

It is not a de Polignac number, because 231055 - 2¹ = 231053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2046 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (37818).

2²³¹⁰⁵⁵ is an apocalyptic number.

231055 is a deficient number, since it is larger than the sum of its proper divisors (71489).

231055 is a wasteful number, since it uses less digits than its factorization.

231055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 231055 is about 480.6818074361. The cubic root of 231055 is about 61.3627936867.

Adding to 231055 its reverse (550132), we get a palindrome (781187).

The spelling of 231055 in words is "two hundred thirty-one thousand, fifty-five".