213442334013 has 16 divisors (see below), whose sum is σ = 284904345600. Its totient is φ = 142137690864.

The previous prime is 213442333991. The next prime is 213442334033. The reversal of 213442334013 is 310433244312.

It is a happy number.

It is not a de Polignac number, because 213442334013 - 2²⁸ = 213173898557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213442334033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12679120 + ... + 12695942.

It is an arithmetic number, because the mean of its divisors is an integer number (17806521600).

Almost surely, 2^213442334013 is an apocalyptic number.

It is an amenable number.

213442334013 is a deficient number, since it is larger than the sum of its proper divisors (71462011587).

213442334013 is a wasteful number, since it uses less digits than its factorization.

213442334013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21248.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 213442334013 its reverse (310433244312), we get a palindrome (523875578325).

The spelling of 213442334013 in words is "two hundred thirteen billion, four hundred forty-two million, three hundred thirty-four thousand, thirteen".