231134304 has 48 divisors (see below), whose sum is σ = 611392320. Its totient is φ = 76452480.

The previous prime is 231134269. The next prime is 231134317. The reversal of 231134304 is 403431132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387 + ... + 21765.

It is an arithmetic number, because the mean of its divisors is an integer number (12737340).

Almost surely, 2^231134304 is an apocalyptic number.

231134304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231134304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305696160).

231134304 is an abundant number, since it is smaller than the sum of its proper divisors (380258016).

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

231134304 is a wasteful number, since it uses less digits than its factorization.

231134304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523 (or 18515 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 231134304 is about 15203.1017887798. The cubic root of 231134304 is about 613.6981331171.

Adding to 231134304 its reverse (403431132), we get a palindrome (634565436).

The spelling of 231134304 in words is "two hundred thirty-one million, one hundred thirty-four thousand, three hundred four".