2031212312 has 16 divisors (see below), whose sum is σ = 3809724360. Its totient is φ = 1015285824.

The previous prime is 2031212311. The next prime is 2031212327. The reversal of 2031212312 is 2132121302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031212311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11933 + ... + 64844.

Almost surely, 2^2031212312 is an apocalyptic number.

It is an amenable number.

2031212312 is a deficient number, since it is larger than the sum of its proper divisors (1778512048).

2031212312 is a wasteful number, since it uses less digits than its factorization.

2031212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80090 (or 80086 counting only the distinct ones).

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

The square root of 2031212312 is about 45068.9728305405. The cubic root of 2031212312 is about 1266.4414221213.

Adding to 2031212312 its reverse (2132121302), we get a palindrome (4163333614).

The spelling of 2031212312 in words is "two billion, thirty-one million, two hundred twelve thousand, three hundred twelve".