2100031012 has 48 divisors (see below), whose sum is σ = 4120986240. Its totient is φ = 930534912.

The previous prime is 2100030997. The next prime is 2100031051. The reversal of 2100031012 is 2101300012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100031012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210898 + ... + 220630.

It is an arithmetic number, because the mean of its divisors is an integer number (85853880).

Almost surely, 2^2100031012 is an apocalyptic number.

It is an amenable number.

2100031012 is a deficient number, since it is larger than the sum of its proper divisors (2020955228).

2100031012 is a wasteful number, since it uses less digits than its factorization.

2100031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940 (or 9938 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2100031012 is about 45826.0953169698. The cubic root of 2100031012 is about 1280.5854686582.

Adding to 2100031012 its reverse (2101300012), we get a palindrome (4201331024).

The spelling of 2100031012 in words is "two billion, one hundred million, thirty-one thousand, twelve".