2100324042 has 24 divisors (see below), whose sum is σ = 4552350660. Its totient is φ = 699854400.

The previous prime is 2100324013. The next prime is 2100324053. The reversal of 2100324042 is 2404230012.

2100324042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1685020401 + 415303641 = 41049^2 + 20379^2 .

It is a super-2 number, since 2×2100324042² = 8822722162806435528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33792 + ... + 73092.

Almost surely, 2^2100324042 is an apocalyptic number.

2100324042 is an abundant number, since it is smaller than the sum of its proper divisors (2452026618).

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

2100324042 is a wasteful number, since it uses less digits than its factorization.

2100324042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42278 (or 42275 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2100324042 is about 45829.2924012580. The cubic root of 2100324042 is about 1280.6450284942.

Adding to 2100324042 its reverse (2404230012), we get a palindrome (4504554054).

The spelling of 2100324042 in words is "two billion, one hundred million, three hundred twenty-four thousand, forty-two".