2011323311 has 8 divisors (see below), whose sum is σ = 2064553920. Its totient is φ = 1958527648.

The previous prime is 2011323277. The next prime is 2011323319. The reversal of 2011323311 is 1133231102.

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 2011323311 - 2³⁰ = 937581487 is a prime.

It is a super-2 number, since 2×2011323311² = 8090842922744005442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011323311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011323319) 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, 99356 + ... + 117873.

It is an arithmetic number, because the mean of its divisors is an integer number (258069240).

Almost surely, 2^2011323311 is an apocalyptic number.

2011323311 is a deficient number, since it is larger than the sum of its proper divisors (53230609).

2011323311 is a wasteful number, since it uses less digits than its factorization.

2011323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217473.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2011323311 is about 44847.7793318688. The cubic root of 2011323311 is about 1262.2943229432.

Adding to 2011323311 its reverse (1133231102), we get a palindrome (3144554413).

The spelling of 2011323311 in words is "two billion, eleven million, three hundred twenty-three thousand, three hundred eleven".