2031100212 has 12 divisors (see below), whose sum is σ = 4739233856. Its totient is φ = 677033400.

The previous prime is 2031100199. The next prime is 2031100229. The reversal of 2031100212 is 2120011302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 169258351 = 2031100212 / (2 + 0 + 3 + 1 + 1 + 0 + 0 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84629164 + ... + 84629187.

Almost surely, 2^2031100212 is an apocalyptic number.

It is an amenable number.

2031100212 is an abundant number, since it is smaller than the sum of its proper divisors (2708133644).

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

2031100212 is a wasteful number, since it uses less digits than its factorization.

2031100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169258358 (or 169258356 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2031100212 is about 45067.7291640038. The cubic root of 2031100212 is about 1266.4181239339.

Adding to 2031100212 its reverse (2120011302), we get a palindrome (4151111514).

The spelling of 2031100212 in words is "two billion, thirty-one million, one hundred thousand, two hundred twelve".