231231230 has 16 divisors (see below), whose sum is σ = 416504160. Its totient is φ = 92428512.

The previous prime is 231231199. The next prime is 231231251. The reversal of 231231230 is 32132132.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231231199 and 231231208.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8876 + ... + 23264.

It is an arithmetic number, because the mean of its divisors is an integer number (26031510).

Almost surely, 2^231231230 is an apocalyptic number.

231231230 is a deficient number, since it is larger than the sum of its proper divisors (185272930).

231231230 is a wasteful number, since it uses less digits than its factorization.

231231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16003.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 231231230 is about 15206.2891594235. The cubic root of 231231230 is about 613.7839057485.

Adding to 231231230 its reverse (32132132), we get a palindrome (263363362).

The spelling of 231231230 in words is "two hundred thirty-one million, two hundred thirty-one thousand, two hundred thirty".