2013821203 has 2 divisors, whose sum is σ = 2013821204. Its totient is φ = 2013821202.

The previous prime is 2013821197. The next prime is 2013821263. The reversal of 2013821203 is 3021283102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2013821203 - 2⁹ = 2013820691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013821263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006910601 + 1006910602.

It is an arithmetic number, because the mean of its divisors is an integer number (1006910602).

Almost surely, 2^2013821203 is an apocalyptic number.

2013821203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013821203 is an equidigital number, since it uses as much as digits as its factorization.

2013821203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2013821203 is about 44875.6192492093. The cubic root of 2013821203 is about 1262.8166607311.

The spelling of 2013821203 in words is "two billion, thirteen million, eight hundred twenty-one thousand, two hundred three".