112020243131 has 4 divisors (see below), whose sum is σ = 112125824064. Its totient is φ = 111914662200.

The previous prime is 112020243107. The next prime is 112020243191. The reversal of 112020243131 is 131342020211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112020243131 is a prime.

It is a super-2 number, since 2×112020243131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112020243191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52788875 + ... + 52790996.

It is an arithmetic number, because the mean of its divisors is an integer number (28031456016).

Almost surely, 2^112020243131 is an apocalyptic number.

112020243131 is a deficient number, since it is larger than the sum of its proper divisors (105580933).

112020243131 is a wasteful number, since it uses less digits than its factorization.

112020243131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105580932.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 112020243131 its reverse (131342020211), we get a palindrome (243362263342).

The spelling of 112020243131 in words is "one hundred twelve billion, twenty million, two hundred forty-three thousand, one hundred thirty-one".