231002304 has 112 divisors (see below), whose sum is σ = 692993280. Its totient is φ = 67322880.

The previous prime is 231002281. The next prime is 231002329. The reversal of 231002304 is 403200132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44989 + ... + 49859.

It is an arithmetic number, because the mean of its divisors is an integer number (6187440).

Almost surely, 2^231002304 is an apocalyptic number.

231002304 is a gapful number since it is divisible by the number (24) 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 231002304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346496640).

231002304 is an abundant number, since it is smaller than the sum of its proper divisors (461990976).

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

231002304 is a wasteful number, since it uses less digits than its factorization.

231002304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918 (or 4908 counting only the distinct ones).

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

The square root of 231002304 is about 15198.7599494169. The cubic root of 231002304 is about 613.5812839112.

Adding to 231002304 its reverse (403200132), we get a palindrome (634202436).

The spelling of 231002304 in words is "two hundred thirty-one million, two thousand, three hundred four".