231150 has 48 divisors (see below), whose sum is σ = 607104. Its totient is φ = 58080.

The previous prime is 231131. The next prime is 231169. The reversal of 231150 is 51132.

It is an interprime number because it is at equal distance from previous prime (231131) and next prime (231169).

It is a congruent number.

It is an unprimeable number.

231150 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 23 ways as a sum of consecutive naturals, for example, 3417 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (12648).

2²³¹¹⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303552).

231150 is an abundant number, since it is smaller than the sum of its proper divisors (375954).

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

231150 is a wasteful number, since it uses less digits than its factorization.

231150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 231150 is about 480.7806152498. The cubic root of 231150 is about 61.3712024590.

Adding to 231150 its reverse (51132), we get a palindrome (282282).

The spelling of 231150 in words is "two hundred thirty-one thousand, one hundred fifty".