2105303804203 has 2 divisors, whose sum is σ = 2105303804204. Its totient is φ = 2105303804202.

The previous prime is 2105303804183. The next prime is 2105303804209. The reversal of 2105303804203 is 3024083035012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105303804203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105303804209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052651902101 + 1052651902102.

It is an arithmetic number, because the mean of its divisors is an integer number (1052651902102).

Almost surely, 2^{2105303804203} is an apocalyptic number.

2105303804203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105303804203 is an equidigital number, since it uses as much as digits as its factorization.

2105303804203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 2105303804203 its reverse (3024083035012), we get a palindrome (5129386839215).

The spelling of 2105303804203 in words is "two trillion, one hundred five billion, three hundred three million, eight hundred four thousand, two hundred three".