2103503836 has 12 divisors (see below), whose sum is σ = 4207007728. Its totient is φ = 901501632.

The previous prime is 2103503797. The next prime is 2103503867. The reversal of 2103503836 is 6383053012.

2103503836 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2103503798 and 2103503807.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 37562541 + ... + 37562596.

Almost surely, 2^2103503836 is an apocalyptic number.

It is an amenable number.

2103503836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2103503836 is a wasteful number, since it uses less digits than its factorization.

2103503836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75125148 (or 75125146 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2103503836 is about 45863.9710012118. The cubic root of 2103503836 is about 1281.2909818468.

Adding to 2103503836 its reverse (6383053012), we get a palindrome (8486556848).

The spelling of 2103503836 in words is "two billion, one hundred three million, five hundred three thousand, eight hundred thirty-six".