213242420113 has 4 divisors (see below), whose sum is σ = 216856698480. Its totient is φ = 209628141748.

The previous prime is 213242420099. The next prime is 213242420147. The reversal of 213242420113 is 311024242312.

213242420113 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213242420113 - 2⁵ = 213242420081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213242420813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1807139095 + ... + 1807139212.

It is an arithmetic number, because the mean of its divisors is an integer number (54214174620).

Almost surely, 2^213242420113 is an apocalyptic number.

It is an amenable number.

213242420113 is a deficient number, since it is larger than the sum of its proper divisors (3614278367).

213242420113 is an equidigital number, since it uses as much as digits as its factorization.

213242420113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614278366.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 213242420113 its reverse (311024242312), we get a palindrome (524266662425).

The spelling of 213242420113 in words is "two hundred thirteen billion, two hundred forty-two million, four hundred twenty thousand, one hundred thirteen".