231203104 has 48 divisors (see below), whose sum is σ = 498869280. Its totient is φ = 104604160.

The previous prime is 231203087. The next prime is 231203117. The reversal of 231203104 is 401302132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 7 ways as a sum of consecutive naturals, for example, 80607 + ... + 83425.

It is an arithmetic number, because the mean of its divisors is an integer number (10393110).

Almost surely, 2^231203104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231203104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249434640).

231203104 is an abundant number, since it is smaller than the sum of its proper divisors (267666176).

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

231203104 is a wasteful number, since it uses less digits than its factorization.

231203104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231203104 is about 15205.3643165825. The cubic root of 231203104 is about 613.7590187035.

Adding to 231203104 its reverse (401302132), we get a palindrome (632505236).

The spelling of 231203104 in words is "two hundred thirty-one million, two hundred three thousand, one hundred four".