231134500 has 48 divisors (see below), whose sum is σ = 509549040. Its totient is φ = 91584000.

The previous prime is 231134471. The next prime is 231134531. The reversal of 231134500 is 5431132.

231134500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 6853924 + 224280576 = 2618^2 + 14976^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52380 + ... + 56620.

It is an arithmetic number, because the mean of its divisors is an integer number (10615605).

Almost surely, 2^231134500 is an apocalyptic number.

231134500 is a gapful number since it is divisible by the number (20) 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 231134500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254774520).

231134500 is an abundant number, since it is smaller than the sum of its proper divisors (278414540).

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

231134500 is a wasteful number, since it uses less digits than its factorization.

231134500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 231134500 is about 15203.1082348315. The cubic root of 231134500 is about 613.6983065874.

Adding to 231134500 its reverse (5431132), we get a palindrome (236565632).

The spelling of 231134500 in words is "two hundred thirty-one million, one hundred thirty-four thousand, five hundred".