112012312031 has 4 divisors (see below), whose sum is σ = 112013014200. Its totient is φ = 112011609864.

The previous prime is 112012312019. The next prime is 112012312033. The reversal of 112012312031 is 130213210211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112012312031 is a prime.

It is a super-2 number, since 2×112012312031² (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 (112012312033) 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, 16460 + ... + 473598.

It is an arithmetic number, because the mean of its divisors is an integer number (28003253550).

Almost surely, 2^112012312031 is an apocalyptic number.

112012312031 is a deficient number, since it is larger than the sum of its proper divisors (702169).

112012312031 is an equidigital number, since it uses as much as digits as its factorization.

112012312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702168.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112012312031 its reverse (130213210211), we get a palindrome (242225522242).

It can be divided in two parts, 11201 and 2312031, that added together give a palindrome (2323232).

The spelling of 112012312031 in words is "one hundred twelve billion, twelve million, three hundred twelve thousand, thirty-one".