231246330 has 64 divisors (see below), whose sum is σ = 640493568. Its totient is φ = 52338240.

The previous prime is 231246293. The next prime is 231246331. The reversal of 231246330 is 33642132.

231246330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231246330.

It is not an unprimeable number, because it can be changed into a prime (231246331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16285 + ... + 26975.

It is an arithmetic number, because the mean of its divisors is an integer number (10007712).

Almost surely, 2^231246330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231246330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320246784).

231246330 is an abundant number, since it is smaller than the sum of its proper divisors (409247238).

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

231246330 is a wasteful number, since it uses less digits than its factorization.

231246330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 231246330 is about 15206.7856564101. The cubic root of 231246330 is about 613.7972660189.

Adding to 231246330 its reverse (33642132), we get a palindrome (264888462).

The spelling of 231246330 in words is "two hundred thirty-one million, two hundred forty-six thousand, three hundred thirty".