2011343205 has 32 divisors (see below), whose sum is σ = 3253783680. Its totient is φ = 1060899840.

The previous prime is 2011343137. The next prime is 2011343207. The reversal of 2011343205 is 5023431102.

It is not a de Polignac number, because 2011343205 - 2⁹ = 2011342693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011343207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584169 + ... + 587601.

It is an arithmetic number, because the mean of its divisors is an integer number (101680740).

Almost surely, 2^2011343205 is an apocalyptic number.

It is an amenable number.

2011343205 is a deficient number, since it is larger than the sum of its proper divisors (1242440475).

2011343205 is a wasteful number, since it uses less digits than its factorization.

2011343205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2011343205 is about 44848.0011260257. The cubic root of 2011343205 is about 1262.2984847141.

Adding to 2011343205 its reverse (5023431102), we get a palindrome (7034774307).

The spelling of 2011343205 in words is "two billion, eleven million, three hundred forty-three thousand, two hundred five".