112031031213 has 6 divisors (see below), whose sum is σ = 161822600654. Its totient is φ = 74687354136.

The previous prime is 112031031193. The next prime is 112031031221. The reversal of 112031031213 is 312130130211.

112031031213 is a `hidden beast` number, since 11 + 20 + 310 + 312 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 95167931049 + 16863100164 = 308493^2 + 129858^2 .

It is not a de Polignac number, because 112031031213 - 2⁸ = 112031030957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112031031283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6223946170 + ... + 6223946187.

Almost surely, 2^112031031213 is an apocalyptic number.

It is an amenable number.

112031031213 is a deficient number, since it is larger than the sum of its proper divisors (49791569441).

112031031213 is a wasteful number, since it uses less digits than its factorization.

112031031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447892363 (or 12447892360 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 112031031213 its reverse (312130130211), we get a palindrome (424161161424).

The spelling of 112031031213 in words is "one hundred twelve billion, thirty-one million, thirty-one thousand, two hundred thirteen".