231041100 has 72 divisors (see below), whose sum is σ = 677956608. Its totient is φ = 60737600.

The previous prime is 231041081. The next prime is 231041117. The reversal of 231041100 is 1140132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 23 ways as a sum of consecutive naturals, for example, 15877 + ... + 26723.

It is an arithmetic number, because the mean of its divisors is an integer number (9416064).

Almost surely, 2^231041100 is an apocalyptic number.

231041100 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 231041100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338978304).

231041100 is an abundant number, since it is smaller than the sum of its proper divisors (446915508).

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

231041100 is a wasteful number, since it uses less digits than its factorization.

231041100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10935 (or 10928 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 231041100 is about 15200.0361841675. The cubic root of 231041100 is about 613.6156315729.

Adding to 231041100 its reverse (1140132), we get a palindrome (232181232).

The spelling of 231041100 in words is "two hundred thirty-one million, forty-one thousand, one hundred".