2011311303 has 8 divisors (see below), whose sum is σ = 2685576816. Its totient is φ = 1338960000.

The previous prime is 2011311299. The next prime is 2011311311. The reversal of 2011311303 is 3031131102.

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

It is not a de Polignac number, because 2011311303 - 2² = 2011311299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011316303) 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, 476098 + ... + 480303.

It is an arithmetic number, because the mean of its divisors is an integer number (335697102).

Almost surely, 2^2011311303 is an apocalyptic number.

2011311303 is a deficient number, since it is larger than the sum of its proper divisors (674265513).

2011311303 is an equidigital number, since it uses as much as digits as its factorization.

2011311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957105.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 2011311303 is about 44847.6454565900. The cubic root of 2011311303 is about 1262.2918108888.

Adding to 2011311303 its reverse (3031131102), we get a palindrome (5042442405).

The spelling of 2011311303 in words is "two billion, eleven million, three hundred eleven thousand, three hundred three".