2331428065 has 8 divisors (see below), whose sum is σ = 2837118528. Its totient is φ = 1838872560.

The previous prime is 2331428023. The next prime is 2331428089. The reversal of 2331428065 is 5608241332.

2331428065 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 not a de Polignac number, because 2331428065 - 2¹¹ = 2331426017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331428065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3283347 + ... + 3284056.

It is an arithmetic number, because the mean of its divisors is an integer number (354639816).

Almost surely, 2^2331428065 is an apocalyptic number.

It is an amenable number.

2331428065 is a deficient number, since it is larger than the sum of its proper divisors (505690463).

2331428065 is an equidigital number, since it uses as much as digits as its factorization.

2331428065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567479.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2331428065 is about 48284.8637256025. The cubic root of 2331428065 is about 1325.9912961520.

Adding to 2331428065 its reverse (5608241332), we get a palindrome (7939669397).

The spelling of 2331428065 in words is "two billion, three hundred thirty-one million, four hundred twenty-eight thousand, sixty-five".