230231111 has 4 divisors (see below), whose sum is σ = 251161224. Its totient is φ = 209301000.

The previous prime is 230231107. The next prime is 230231117. The reversal of 230231111 is 111132032.

230231111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230231111 - 2² = 230231107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230231117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10465040 + ... + 10465061.

It is an arithmetic number, because the mean of its divisors is an integer number (62790306).

Almost surely, 2^230231111 is an apocalyptic number.

230231111 is a deficient number, since it is larger than the sum of its proper divisors (20930113).

230231111 is a wasteful number, since it uses less digits than its factorization.

230231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20930112.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 230231111 is about 15173.3684790161. The cubic root of 230231111 is about 612.8977162046.

Adding to 230231111 its reverse (111132032), we get a palindrome (341363143).

The spelling of 230231111 in words is "two hundred thirty million, two hundred thirty-one thousand, one hundred eleven".