231041500 has 48 divisors (see below), whose sum is σ = 507701376. Its totient is φ = 91848000.

The previous prime is 231041467. The next prime is 231041557. The reversal of 231041500 is 5140132.

It is a congruent number.

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, 85165 + ... + 87835.

It is an arithmetic number, because the mean of its divisors is an integer number (10577112).

Almost surely, 2^231041500 is an apocalyptic number.

231041500 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 231041500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253850688).

231041500 is an abundant number, since it is smaller than the sum of its proper divisors (276659876).

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

231041500 is a wasteful number, since it uses less digits than its factorization.

231041500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863 (or 2851 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 231041500 is about 15200.0493420252. The cubic root of 231041500 is about 613.6159856890.

Adding to 231041500 its reverse (5140132), we get a palindrome (236181632).

The spelling of 231041500 in words is "two hundred thirty-one million, forty-one thousand, five hundred".