111340112031 has 8 divisors (see below), whose sum is σ = 164948314160. Its totient is φ = 74226741336.

The previous prime is 111340111999. The next prime is 111340112087. The reversal of 111340112031 is 130211043111.

It is a happy number.

111340112031 is a `hidden beast` number, since 1 + 113 + 401 + 120 + 31 = 666.

It is not a de Polignac number, because 111340112031 - 2⁵ = 111340111999 is a prime.

It is a super-2 number, since 2×111340112031² (a number of 23 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 = 111340111995 and 111340112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111340112531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061853900 + ... + 2061853953.

It is an arithmetic number, because the mean of its divisors is an integer number (20618539270).

Almost surely, 2^111340112031 is an apocalyptic number.

111340112031 is a deficient number, since it is larger than the sum of its proper divisors (53608202129).

111340112031 is an equidigital number, since it uses as much as digits as its factorization.

111340112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123707862 (or 4123707856 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111340112031 its reverse (130211043111), we get a palindrome (241551155142).

The spelling of 111340112031 in words is "one hundred eleven billion, three hundred forty million, one hundred twelve thousand, thirty-one".