2311040 has 64 divisors (see below), whose sum is σ = 5801760. Its totient is φ = 878592.

The previous prime is 2311021. The next prime is 2311051. The reversal of 2311040 is 401132.

It is a happy number.

2311040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14642 + ... + 14798.

2^2311040 is an apocalyptic number.

2311040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2900880).

2311040 is an abundant number, since it is smaller than the sum of its proper divisors (3490720).

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

2311040 is a wasteful number, since it uses less digits than its factorization.

2311040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2311040 is about 1520.2105117384. The cubic root of 2311040 is about 132.2114761358.

Adding to 2311040 its reverse (401132), we get a palindrome (2712172).

The spelling of 2311040 in words is "two million, three hundred eleven thousand, forty".