2120440313 has 8 divisors (see below), whose sum is σ = 2134492800. Its totient is φ = 2106434160.

The previous prime is 2120440291. The next prime is 2120440327. The reversal of 2120440313 is 3130440212.

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 2120440313 - 2⁸ = 2120440057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120440373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82763 + ... + 105311.

It is an arithmetic number, because the mean of its divisors is an integer number (266811600).

Almost surely, 2^2120440313 is an apocalyptic number.

It is an amenable number.

2120440313 is a deficient number, since it is larger than the sum of its proper divisors (14052487).

2120440313 is a wasteful number, since it uses less digits than its factorization.

2120440313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23167.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2120440313 is about 46048.2389782715. The cubic root of 2120440313 is about 1284.7205886658.

Adding to 2120440313 its reverse (3130440212), we get a palindrome (5250880525).

The spelling of 2120440313 in words is "two billion, one hundred twenty million, four hundred forty thousand, three hundred thirteen".