2031223312 has 20 divisors (see below), whose sum is σ = 4031484156. Its totient is φ = 990840320.

The previous prime is 2031223303. The next prime is 2031223331. The reversal of 2031223312 is 2133221302.

It can be written as a sum of positive squares in 2 ways, for example, as 697805056 + 1333418256 = 26416^2 + 36516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2031223312.

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, 1547533 + ... + 1548844.

Almost surely, 2^2031223312 is an apocalyptic number.

It is an amenable number.

2031223312 is a deficient number, since it is larger than the sum of its proper divisors (2000260844).

2031223312 is a wasteful number, since it uses less digits than its factorization.

2031223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096426 (or 3096420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2031223312 is about 45069.0948655506. The cubic root of 2031223312 is about 1266.4437082487.

Adding to 2031223312 its reverse (2133221302), we get a palindrome (4164444614).

The spelling of 2031223312 in words is "two billion, thirty-one million, two hundred twenty-three thousand, three hundred twelve".