2100031113 has 16 divisors (see below), whose sum is σ = 2866046976. Its totient is φ = 1367387280.

The previous prime is 2100031093. The next prime is 2100031117. The reversal of 2100031113 is 3111300012.

It is not a de Polignac number, because 2100031113 - 2⁵ = 2100031081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100031117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23281 + ... + 68862.

It is an arithmetic number, because the mean of its divisors is an integer number (179127936).

Almost surely, 2^2100031113 is an apocalyptic number.

It is an amenable number.

2100031113 is a deficient number, since it is larger than the sum of its proper divisors (766015863).

2100031113 is a wasteful number, since it uses less digits than its factorization.

2100031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92324.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2100031113 is about 45826.0964189620. The cubic root of 2100031113 is about 1280.5854891879.

Adding to 2100031113 its reverse (3111300012), we get a palindrome (5211331125).

The spelling of 2100031113 in words is "two billion, one hundred million, thirty-one thousand, one hundred thirteen".