2311420 has 12 divisors (see below), whose sum is σ = 4854024. Its totient is φ = 924560.

The previous prime is 2311417. The next prime is 2311451. The reversal of 2311420 is 241132.

2311420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2311420.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57766 + ... + 57805.

It is an arithmetic number, because the mean of its divisors is an integer number (404502).

2^2311420 is an apocalyptic number.

2311420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311420 is an abundant number, since it is smaller than the sum of its proper divisors (2542604).

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

2311420 is a wasteful number, since it uses less digits than its factorization.

2311420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115580 (or 115578 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2311420 is about 1520.3354892918. The cubic root of 2311420 is about 132.2187221675.

Adding to 2311420 its reverse (241132), we get a palindrome (2552552).

The spelling of 2311420 in words is "two million, three hundred eleven thousand, four hundred twenty".