2311328 has 12 divisors (see below), whose sum is σ = 4550490. Its totient is φ = 1155648.

The previous prime is 2311321. The next prime is 2311333. The reversal of 2311328 is 8231132.

It can be written as a sum of positive squares in only one way, i.e., 2226064 + 85264 = 1492^2 + 292^2 .

It is not an unprimeable number, because it can be changed into a prime (2311321) by changing a digit.

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 as a sum of consecutive naturals, namely, 36083 + ... + 36146.

2^2311328 is an apocalyptic number.

It is an amenable number.

2311328 is a deficient number, since it is larger than the sum of its proper divisors (2239162).

2311328 is an equidigital number, since it uses as much as digits as its factorization.

2311328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72239 (or 72231 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 2311328 is about 1520.3052325109. The cubic root of 2311328 is about 132.2169679379.

The spelling of 2311328 in words is "two million, three hundred eleven thousand, three hundred twenty-eight".