231234332 has 72 divisors (see below), whose sum is σ = 511741440. Its totient is φ = 90810720.

The previous prime is 231234329. The next prime is 231234359. The reversal of 231234332 is 233432132.

231234332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231234298 and 231234307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114443 + ... + 116445.

It is an arithmetic number, because the mean of its divisors is an integer number (7107520).

Almost surely, 2^231234332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231234332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255870720).

231234332 is an abundant number, since it is smaller than the sum of its proper divisors (280507108).

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

231234332 is a wasteful number, since it uses less digits than its factorization.

231234332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071 (or 2062 counting only the distinct ones).

The product of its digits is 2592, while the sum is 23.

The square root of 231234332 is about 15206.3911563526. The cubic root of 231234332 is about 613.7866504025.

Adding to 231234332 its reverse (233432132), we get a palindrome (464666464).

The spelling of 231234332 in words is "two hundred thirty-one million, two hundred thirty-four thousand, three hundred thirty-two".