231125500 has 48 divisors (see below), whose sum is σ = 531367200. Its totient is φ = 87580800.

The previous prime is 231125483. The next prime is 231125533. The reversal of 231125500 is 5521132.

231125500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2665 + ... + 21664.

It is an arithmetic number, because the mean of its divisors is an integer number (11070150).

Almost surely, 2^231125500 is an apocalyptic number.

231125500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231125500 is an abundant number, since it is smaller than the sum of its proper divisors (300241700).

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

231125500 is a wasteful number, since it uses less digits than its factorization.

231125500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24367 (or 24355 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 231125500 is about 15202.8122398456. The cubic root of 231125500 is about 613.6903410140.

Adding to 231125500 its reverse (5521132), we get a palindrome (236646632).

It can be divided in two parts, 231125 and 500, that multiplied together give a square (115562500 = 10750²).

The spelling of 231125500 in words is "two hundred thirty-one million, one hundred twenty-five thousand, five hundred".