331230 has 32 divisors (see below), whose sum is σ = 812448. Its totient is φ = 86400.

The previous prime is 331217. The next prime is 331231. The reversal of 331230 is 32133.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1740 + ... + 1920.

It is an arithmetic number, because the mean of its divisors is an integer number (25389).

2³³¹²³⁰ is an apocalyptic number.

331230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406224).

331230 is an abundant number, since it is smaller than the sum of its proper divisors (481218).

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

331230 is a wasteful number, since it uses less digits than its factorization.

331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 331230 is about 575.5258465091. The cubic root of 331230 is about 69.1899826234.

Adding to 331230 its reverse (32133), we get a palindrome (363363).

It can be divided in two parts, 331 and 230, that added together give a triangular number (561 = T₃₃).

The spelling of 331230 in words is "three hundred thirty-one thousand, two hundred thirty".