2100443031 has 12 divisors (see below), whose sum is σ = 3047341752. Its totient is φ = 1394125296.

The previous prime is 2100443029. The next prime is 2100443057. The reversal of 2100443031 is 1303440012.

It is not a de Polignac number, because 2100443031 - 2¹ = 2100443029 is a prime.

It is a super-2 number, since 2×2100443031² = 8823721852952933922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100442995 and 2100443013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100443131) 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 11 ways as a sum of consecutive naturals, for example, 512016 + ... + 516101.

It is an arithmetic number, because the mean of its divisors is an integer number (253945146).

Almost surely, 2^2100443031 is an apocalyptic number.

2100443031 is a deficient number, since it is larger than the sum of its proper divisors (946898721).

2100443031 is a wasteful number, since it uses less digits than its factorization.

2100443031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028350 (or 1028347 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2100443031 is about 45830.5905591451. The cubic root of 2100443031 is about 1280.6692120313.

Adding to 2100443031 its reverse (1303440012), we get a palindrome (3403883043).

The spelling of 2100443031 in words is "two billion, one hundred million, four hundred forty-three thousand, thirty-one".