230111112031 has 8 divisors (see below), whose sum is σ = 230364647744. Its totient is φ = 229857657120.

The previous prime is 230111112019. The next prime is 230111112037. The reversal of 230111112031 is 130211111032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230111112031 - 2⁹ = 230111111519 is a prime.

It is a super-2 number, since 2×230111112031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230111111996 and 230111112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230111112037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6975466 + ... + 7008376.

It is an arithmetic number, because the mean of its divisors is an integer number (28795580968).

Almost surely, 2^230111112031 is an apocalyptic number.

230111112031 is a deficient number, since it is larger than the sum of its proper divisors (253535713).

230111112031 is a wasteful number, since it uses less digits than its factorization.

230111112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40401.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 230111112031 its reverse (130211111032), we get a palindrome (360322223063).

Subtracting from 230111112031 its reverse (130211111032), we obtain a palindrome (99900000999).

The spelling of 230111112031 in words is "two hundred thirty billion, one hundred eleven million, one hundred twelve thousand, thirty-one".