111314111131 has 4 divisors (see below), whose sum is σ = 111330709600. Its totient is φ = 111297512664.

The previous prime is 111314111123. The next prime is 111314111143. The reversal of 111314111131 is 131111413111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131111413111 = 7 ⋅18730201873.

It is a cyclic number.

It is not a de Polignac number, because 111314111131 - 2³ = 111314111123 is a prime.

It is a super-2 number, since 2×111314111131² (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 = 111314111099 and 111314111108.

It is not an unprimeable number, because it can be changed into a prime (111314141131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8289171 + ... + 8302588.

It is an arithmetic number, because the mean of its divisors is an integer number (27832677400).

Almost surely, 2^111314111131 is an apocalyptic number.

111314111131 is a deficient number, since it is larger than the sum of its proper divisors (16598469).

111314111131 is an equidigital number, since it uses as much as digits as its factorization.

111314111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16598468.

The product of its digits is 36, while the sum is 19.

Adding to 111314111131 its reverse (131111413111), we get a palindrome (242425524242).

The spelling of 111314111131 in words is "one hundred eleven billion, three hundred fourteen million, one hundred eleven thousand, one hundred thirty-one".