112112313231 has 4 divisors (see below), whose sum is σ = 149483084312. Its totient is φ = 74741542152.

The previous prime is 112112313221. The next prime is 112112313233. The reversal of 112112313231 is 132313211211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132313211211 = 3 ⋅44104403737.

It is not a de Polignac number, because 112112313231 - 2¹⁵ = 112112280463 is a prime.

It is a super-2 number, since 2×112112313231² (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 = 112112313198 and 112112313207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112313233) 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, 18685385536 + ... + 18685385541.

It is an arithmetic number, because the mean of its divisors is an integer number (37370771078).

Almost surely, 2^112112313231 is an apocalyptic number.

112112313231 is a deficient number, since it is larger than the sum of its proper divisors (37370771081).

112112313231 is an equidigital number, since it uses as much as digits as its factorization.

112112313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37370771080.

The product of its digits is 216, while the sum is 21.

Adding to 112112313231 its reverse (132313211211), we get a palindrome (244425524442).

The spelling of 112112313231 in words is "one hundred twelve billion, one hundred twelve million, three hundred thirteen thousand, two hundred thirty-one".