2311304 has 8 divisors (see below), whose sum is σ = 4333710. Its totient is φ = 1155648.

The previous prime is 2311289. The next prime is 2311321. The reversal of 2311304 is 4031132.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 91204 = 1490^2 + 302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

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 as a sum of consecutive naturals, namely, 144449 + ... + 144464.

2^2311304 is an apocalyptic number.

It is an amenable number.

2311304 is a deficient number, since it is larger than the sum of its proper divisors (2022406).

2311304 is a wasteful number, since it uses less digits than its factorization.

2311304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288919 (or 288915 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2311304 is about 1520.2973393386. The cubic root of 2311304 is about 132.2165103052.

Adding to 2311304 its reverse (4031132), we get a palindrome (6342436).

The spelling of 2311304 in words is "two million, three hundred eleven thousand, three hundred four".