213020234013 has 8 divisors (see below), whose sum is σ = 284054496768. Its totient is φ = 141999730304.

The previous prime is 213020233999. The next prime is 213020234027. The reversal of 213020234013 is 310432020312.

It is an interprime number because it is at equal distance from previous prime (213020233999) and next prime (213020234027).

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 213020234013 - 2⁹ = 213020233501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020234083) 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, 3403581 + ... + 3465602.

It is an arithmetic number, because the mean of its divisors is an integer number (35506812096).

Almost surely, 2^213020234013 is an apocalyptic number.

It is an amenable number.

213020234013 is a deficient number, since it is larger than the sum of its proper divisors (71034262755).

213020234013 is a wasteful number, since it uses less digits than its factorization.

213020234013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6879523.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213020234013 its reverse (310432020312), we get a palindrome (523452254325).

The spelling of 213020234013 in words is "two hundred thirteen billion, twenty million, two hundred thirty-four thousand, thirteen".