2011104311 has 4 divisors (see below), whose sum is σ = 2011680624. Its totient is φ = 2010528000.

The previous prime is 2011104299. The next prime is 2011104313. The reversal of 2011104311 is 1134011102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011104311 - 2¹⁰ = 2011103287 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 (2011104313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282890 + ... + 289911.

It is an arithmetic number, because the mean of its divisors is an integer number (502920156).

Almost surely, 2^2011104311 is an apocalyptic number.

2011104311 is a deficient number, since it is larger than the sum of its proper divisors (576313).

2011104311 is an equidigital number, since it uses as much as digits as its factorization.

2011104311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576312.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2011104311 is about 44845.3376729399. The cubic root of 2011104311 is about 1262.2485069226.

Adding to 2011104311 its reverse (1134011102), we get a palindrome (3145115413).

The spelling of 2011104311 in words is "two billion, eleven million, one hundred four thousand, three hundred eleven".