2311056 has 60 divisors (see below), whose sum is σ = 7060560. Its totient is φ = 699840.

The previous prime is 2311051. The next prime is 2311061. The reversal of 2311056 is 6501132.

It is an interprime number because it is at equal distance from previous prime (2311051) and next prime (2311061).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2311051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (117676).

2^2311056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3530280).

2311056 is an abundant number, since it is smaller than the sum of its proper divisors (4749504).

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

2311056 is a wasteful number, since it uses less digits than its factorization.

2311056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2311056 is about 1520.2157741584. The cubic root of 2311056 is about 132.2117812479.

Adding to 2311056 its reverse (6501132), we get a palindrome (8812188).

The spelling of 2311056 in words is "two million, three hundred eleven thousand, fifty-six".