234531330 has 64 divisors (see below), whose sum is σ = 616992768. Its totient is φ = 56583360.

The previous prime is 234531317. The next prime is 234531343. The reversal of 234531330 is 33135432.

It is a happy number.

234531330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (234531317) and next prime (234531343).

It is a self number, because there is not a number n which added to its sum of digits gives 234531330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71997 + ... + 75183.

It is an arithmetic number, because the mean of its divisors is an integer number (9640512).

Almost surely, 2^234531330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234531330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308496384).

234531330 is an abundant number, since it is smaller than the sum of its proper divisors (382461438).

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

234531330 is a wasteful number, since it uses less digits than its factorization.

234531330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 234531330 is about 15314.4157577101. The cubic root of 234531330 is about 616.6900700476.

Adding to 234531330 its reverse (33135432), we get a palindrome (267666762).

The spelling of 234531330 in words is "two hundred thirty-four million, five hundred thirty-one thousand, three hundred thirty".