111030231231 has 6 divisors (see below), whose sum is σ = 160377000680. Its totient is φ = 74020154148.

The previous prime is 111030231229. The next prime is 111030231259. The reversal of 111030231231 is 132132030111.

111030231231 is a `hidden beast` number, since 11 + 10 + 302 + 312 + 31 = 666.

It is not a de Polignac number, because 111030231231 - 2¹ = 111030231229 is a prime.

It is a super-2 number, since 2×111030231231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111030231271) 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 5 ways as a sum of consecutive naturals, for example, 6168346171 + ... + 6168346188.

Almost surely, 2^111030231231 is an apocalyptic number.

111030231231 is a deficient number, since it is larger than the sum of its proper divisors (49346769449).

111030231231 is a wasteful number, since it uses less digits than its factorization.

111030231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12336692365 (or 12336692362 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111030231231 its reverse (132132030111), we get a palindrome (243162261342).

The spelling of 111030231231 in words is "one hundred eleven billion, thirty million, two hundred thirty-one thousand, two hundred thirty-one".