111114233431 has 4 divisors (see below), whose sum is σ = 116962351000. Its totient is φ = 105266115864.

The previous prime is 111114233423. The next prime is 111114233449. The reversal of 111114233431 is 134332411111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134332411111 = 41 ⋅3276400271.

It is a cyclic number.

It is not a de Polignac number, because 111114233431 - 2³ = 111114233423 is a prime.

It is a super-2 number, since 2×111114233431² (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 = 111114233396 and 111114233405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111114233231) 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 3 ways as a sum of consecutive naturals, for example, 2924058756 + ... + 2924058793.

It is an arithmetic number, because the mean of its divisors is an integer number (29240587750).

Almost surely, 2^111114233431 is an apocalyptic number.

111114233431 is a deficient number, since it is larger than the sum of its proper divisors (5848117569).

111114233431 is an equidigital number, since it uses as much as digits as its factorization.

111114233431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848117568.

The product of its digits is 864, while the sum is 25.

Adding to 111114233431 its reverse (134332411111), we get a palindrome (245446644542).

The spelling of 111114233431 in words is "one hundred eleven billion, one hundred fourteen million, two hundred thirty-three thousand, four hundred thirty-one".