213415013 has 4 divisors (see below), whose sum is σ = 243902880. Its totient is φ = 182927148.

The previous prime is 213414997. The next prime is 213415051. The reversal of 213415013 is 310514312.

213415013 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 213415013 - 2⁴ = 213414997 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 (213415513) 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, 15243923 + ... + 15243936.

It is an arithmetic number, because the mean of its divisors is an integer number (60975720).

Almost surely, 2^213415013 is an apocalyptic number.

It is an amenable number.

213415013 is a deficient number, since it is larger than the sum of its proper divisors (30487867).

213415013 is an equidigital number, since it uses as much as digits as its factorization.

213415013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30487866.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 213415013 is about 14608.7307114616. The cubic root of 213415013 is about 597.5968814035.

Adding to 213415013 its reverse (310514312), we get a palindrome (523929325).

The spelling of 213415013 in words is "two hundred thirteen million, four hundred fifteen thousand, thirteen".