2311387 has 8 divisors (see below), whose sum is σ = 2575440. Its totient is φ = 2059680.

The previous prime is 2311381. The next prime is 2311409. The reversal of 2311387 is 7831132.

2311387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2311387 - 2¹¹ = 2309339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689 + ... + 3442.

It is an arithmetic number, because the mean of its divisors is an integer number (321930).

2^2311387 is an apocalyptic number.

2311387 is a deficient number, since it is larger than the sum of its proper divisors (264053).

2311387 is a wasteful number, since it uses less digits than its factorization.

2311387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173.

The product of its digits is 1008, while the sum is 25.

The square root of 2311387 is about 1520.3246363853. The cubic root of 2311387 is about 132.2180929383.

The spelling of 2311387 in words is "two million, three hundred eleven thousand, three hundred eighty-seven".