231730803 has 12 divisors (see below), whose sum is σ = 334908288. Its totient is φ = 154401360.

The previous prime is 231730799. The next prime is 231730817. The reversal of 231730803 is 308037132.

It is not a de Polignac number, because 231730803 - 2² = 231730799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231730843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12901 + ... + 25097.

It is an arithmetic number, because the mean of its divisors is an integer number (27909024).

Almost surely, 2^231730803 is an apocalyptic number.

231730803 is a deficient number, since it is larger than the sum of its proper divisors (103177485).

231730803 is a wasteful number, since it uses less digits than its factorization.

231730803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14314 (or 14311 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 231730803 is about 15222.7068223756. The cubic root of 231730803 is about 614.2256126756.

Adding to 231730803 its reverse (308037132), we get a palindrome (539767935).

The spelling of 231730803 in words is "two hundred thirty-one million, seven hundred thirty thousand, eight hundred three".