231204300 has 72 divisors (see below), whose sum is σ = 670488336. Its totient is φ = 61512960.

The previous prime is 231204263. The next prime is 231204307. The reversal of 231204300 is 3402132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231204300.

It is not an unprimeable number, because it can be changed into a prime (231204307) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 231402 + ... + 232398.

It is an arithmetic number, because the mean of its divisors is an integer number (9312338).

Almost surely, 2^231204300 is an apocalyptic number.

231204300 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 231204300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335244168).

231204300 is an abundant number, since it is smaller than the sum of its proper divisors (439284036).

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

231204300 is a wasteful number, since it uses less digits than its factorization.

231204300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 231204300 is about 15205.4036447573. The cubic root of 231204300 is about 613.7600770147.

Adding to 231204300 its reverse (3402132), we get a palindrome (234606432).

The spelling of 231204300 in words is "two hundred thirty-one million, two hundred four thousand, three hundred".