230131111 has 4 divisors (see below), whose sum is σ = 263006992. Its totient is φ = 197255232.

The previous prime is 230131087. The next prime is 230131117. The reversal of 230131111 is 111131032.

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 230131111 - 2⁵ = 230131079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230131091 and 230131100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230131117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16437930 + ... + 16437943.

It is an arithmetic number, because the mean of its divisors is an integer number (65751748).

Almost surely, 2^230131111 is an apocalyptic number.

230131111 is a deficient number, since it is larger than the sum of its proper divisors (32875881).

230131111 is an equidigital number, since it uses as much as digits as its factorization.

230131111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32875880.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 230131111 is about 15170.0728739186. The cubic root of 230131111 is about 612.8089667633.

Adding to 230131111 its reverse (111131032), we get a palindrome (341262143).

The spelling of 230131111 in words is "two hundred thirty million, one hundred thirty-one thousand, one hundred eleven".