231303704 has 32 divisors (see below), whose sum is σ = 443758800. Its totient is φ = 112993920.

The previous prime is 231303671. The next prime is 231303707. The reversal of 231303704 is 407303132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 231303704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303707) 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 7 ways as a sum of consecutive naturals, for example, 75107 + ... + 78125.

Almost surely, 2^231303704 is an apocalyptic number.

It is an amenable number.

231303704 is a deficient number, since it is larger than the sum of its proper divisors (212455096).

231303704 is a wasteful number, since it uses less digits than its factorization.

231303704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 231303704 is about 15208.6719998822. The cubic root of 231303704 is about 613.8480244349.

Adding to 231303704 its reverse (407303132), we get a palindrome (638606836).

The spelling of 231303704 in words is "two hundred thirty-one million, three hundred three thousand, seven hundred four".