Search a number
3113420213 = 3414191193

3113420213 has 4 divisors (see below), whose sum is σ = 3113545548. Its totient is φ = 3113294880.

The previous prime is 3113420209. The next prime is 3113420249. The reversal of 3113420213 is 3120243113.

3113420213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1983989764 + 1129430449 = 44542^2 + 33607^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113420213 - 22 = 3113420209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113420293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11456 + ... + 79737.

It is an arithmetic number, because the mean of its divisors is an integer number (778386387).

Almost surely, 23113420213 is an apocalyptic number.

It is an amenable number.

3113420213 is a deficient number, since it is larger than the sum of its proper divisors (125335).

3113420213 is an equidigital number, since it uses as much as digits as its factorization.

3113420213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125334.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3113420213 is about 55798.0305476815. The cubic root of 3113420213 is about 1460.2007938322.

Adding to 3113420213 its reverse (3120243113), we get a palindrome (6233663326).

The spelling of 3113420213 in words is "three billion, one hundred thirteen million, four hundred twenty thousand, two hundred thirteen".

Divisors: 1 34141 91193 3113420213