2112100304031 has 12 divisors (see below), whose sum is σ = 3050959465008. Its totient is φ = 1407998601024.

The previous prime is 2112100303991. The next prime is 2112100304053. The reversal of 2112100304031 is 1304030012112.

2112100304031 is a `hidden beast` number, since 21 + 1 + 210 + 0 + 30 + 403 + 1 = 666.

It is not a de Polignac number, because 2112100304031 - 2¹⁰ = 2112100303007 is a prime.

It is a super-2 number, since 2×2112100304031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112100303995 and 2112100304013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112100304131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5492730 + ... + 5864663.

It is an arithmetic number, because the mean of its divisors is an integer number (254246622084).

Almost surely, 2^{2112100304031} is an apocalyptic number.

2112100304031 is a deficient number, since it is larger than the sum of its proper divisors (938859160977).

2112100304031 is a wasteful number, since it uses less digits than its factorization.

2112100304031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11378062 (or 11378059 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2112100304031 its reverse (1304030012112), we get a palindrome (3416130316143).

The spelling of 2112100304031 in words is "two trillion, one hundred twelve billion, one hundred million, three hundred four thousand, thirty-one".