2031223112 has 16 divisors (see below), whose sum is σ = 3822101100. Its totient is φ = 1011996160.

The previous prime is 2031223109. The next prime is 2031223153. The reversal of 2031223112 is 2113221302.

It can be written as a sum of positive squares in 2 ways, for example, as 1838179876 + 193043236 = 42874^2 + 13894^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449537 + ... + 454032.

Almost surely, 2^2031223112 is an apocalyptic number.

It is an amenable number.

2031223112 is a deficient number, since it is larger than the sum of its proper divisors (1790877988).

2031223112 is a wasteful number, since it uses less digits than its factorization.

2031223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903856 (or 903852 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2031223112 is about 45069.0926467352. The cubic root of 2031223112 is about 1266.4436666829.

Adding to 2031223112 its reverse (2113221302), we get a palindrome (4144444414).

The spelling of 2031223112 in words is "two billion, thirty-one million, two hundred twenty-three thousand, one hundred twelve".