2031112312 has 32 divisors (see below), whose sum is σ = 4138099200. Its totient is φ = 931068000.

The previous prime is 2031112301. The next prime is 2031112319. The reversal of 2031112312 is 2132111302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031112319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210814 + ... + 220237.

It is an arithmetic number, because the mean of its divisors is an integer number (129315600).

Almost surely, 2^2031112312 is an apocalyptic number.

It is an amenable number.

2031112312 is an abundant number, since it is smaller than the sum of its proper divisors (2106986888).

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

2031112312 is a wasteful number, since it uses less digits than its factorization.

2031112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431107 (or 431103 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2031112312 is about 45067.8634062011. The cubic root of 2031112312 is about 1266.4206387662.

Adding to 2031112312 its reverse (2132111302), we get a palindrome (4163223614).

It can be divided in two parts, 20311 and 12312, that added together give a palindrome (32623).

The spelling of 2031112312 in words is "two billion, thirty-one million, one hundred twelve thousand, three hundred twelve".