2011231344 has 40 divisors (see below), whose sum is σ = 5197587472. Its totient is φ = 670164480.

The previous prime is 2011231331. The next prime is 2011231381. The reversal of 2011231344 is 4431321102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011231344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164052 + ... + 175884.

Almost surely, 2^2011231344 is an apocalyptic number.

2011231344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2011231344 is an abundant number, since it is smaller than the sum of its proper divisors (3186356128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011231344 is a wasteful number, since it uses less digits than its factorization.

2011231344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15385 (or 15379 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2011231344 is about 44846.7539962482. The cubic root of 2011231344 is about 1262.2750833393.

Adding to 2011231344 its reverse (4431321102), we get a palindrome (6442552446).

The spelling of 2011231344 in words is "two billion, eleven million, two hundred thirty-one thousand, three hundred forty-four".