2031113112 has 48 divisors (see below), whose sum is σ = 5906811960. Its totient is φ = 580317696.

The previous prime is 2031113111. The next prime is 2031113153. The reversal of 2031113112 is 2113111302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2031113091 and 2031113100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031113111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 862393 + ... + 864744.

Almost surely, 2^2031113112 is an apocalyptic number.

It is an amenable number.

2031113112 is an abundant number, since it is smaller than the sum of its proper divisors (3875698848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031113112 is a wasteful number, since it uses less digits than its factorization.

2031113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727160 (or 1727149 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2031113112 is about 45067.8722817042. The cubic root of 2031113112 is about 1266.4208050357.

Adding to 2031113112 its reverse (2113111302), we get a palindrome (4144224414).

The spelling of 2031113112 in words is "two billion, thirty-one million, one hundred thirteen thousand, one hundred twelve".