231041304 has 48 divisors (see below), whose sum is σ = 673873200. Its totient is φ = 71089344.

The previous prime is 231041287. The next prime is 231041309. The reversal of 231041304 is 403140132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231041309) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 122484 + ... + 124355.

It is an arithmetic number, because the mean of its divisors is an integer number (14039025).

Almost surely, 2^231041304 is an apocalyptic number.

231041304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231041304 is an abundant number, since it is smaller than the sum of its proper divisors (442831896).

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

231041304 is a wasteful number, since it uses less digits than its factorization.

231041304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246864 (or 246857 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 231041304 is about 15200.0428946763. The cubic root of 231041304 is about 613.6158121722.

Adding to 231041304 its reverse (403140132), we get a palindrome (634181436).

The spelling of 231041304 in words is "two hundred thirty-one million, forty-one thousand, three hundred four".