2011131203 has 8 divisors (see below), whose sum is σ = 2037427200. Its totient is φ = 1984856328.

The previous prime is 2011131193. The next prime is 2011131211. The reversal of 2011131203 is 3021311102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2011131203 - 2²⁴ = 1994353987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011131503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298688 + ... + 305346.

It is an arithmetic number, because the mean of its divisors is an integer number (254678400).

Almost surely, 2^2011131203 is an apocalyptic number.

2011131203 is a deficient number, since it is larger than the sum of its proper divisors (26295997).

2011131203 is an equidigital number, since it uses as much as digits as its factorization.

2011131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2011131203 is about 44845.6375024372. The cubic root of 2011131203 is about 1262.2541330580.

Adding to 2011131203 its reverse (3021311102), we get a palindrome (5032442305).

The spelling of 2011131203 in words is "two billion, eleven million, one hundred thirty-one thousand, two hundred three".