2011031203 has 2 divisors, whose sum is σ = 2011031204. Its totient is φ = 2011031202.

The previous prime is 2011031179. The next prime is 2011031219. The reversal of 2011031203 is 3021301102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2011031203 - 2²¹ = 2008934051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011035203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005515601 + 1005515602.

It is an arithmetic number, because the mean of its divisors is an integer number (1005515602).

Almost surely, 2^2011031203 is an apocalyptic number.

2011031203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011031203 is an equidigital number, since it uses as much as digits as its factorization.

2011031203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2011031203 is about 44844.5225529272. The cubic root of 2011031203 is about 1262.2332115810.

Adding to 2011031203 its reverse (3021301102), we get a palindrome (5032332305).

The spelling of 2011031203 in words is "two billion, eleven million, thirty-one thousand, two hundred three".