2011031303 has 16 divisors (see below), whose sum is σ = 2205545760. Its totient is φ = 1825152000.

The previous prime is 2011031299. The next prime is 2011031317. The reversal of 2011031303 is 3031301102.

It is a cyclic number.

It is not a de Polignac number, because 2011031303 - 2² = 2011031299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011031333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476603 + ... + 480803.

It is an arithmetic number, because the mean of its divisors is an integer number (137846610).

Almost surely, 2^2011031303 is an apocalyptic number.

2011031303 is a deficient number, since it is larger than the sum of its proper divisors (194514457).

2011031303 is a wasteful number, since it uses less digits than its factorization.

2011031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 2011031303 is about 44844.5236678906. The cubic root of 2011031303 is about 1262.2332325028.

Adding to 2011031303 its reverse (3031301102), we get a palindrome (5042332405).

The spelling of 2011031303 in words is "two billion, eleven million, thirty-one thousand, three hundred three".