213023113233013 has 4 divisors (see below), whose sum is σ = 216202562684320. Its totient is φ = 209843663781708.

The previous prime is 213023113232971. The next prime is 213023113233097. The reversal of 213023113233013 is 310332311320312.

It is a happy number.

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 213023113233013 - 2⁴¹ = 210824089977461 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 (213023113233613) 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, 1589724725553 + ... + 1589724725686.

It is an arithmetic number, because the mean of its divisors is an integer number (54050640671080).

Almost surely, 2^{213023113233013} is an apocalyptic number.

It is an amenable number.

213023113233013 is a deficient number, since it is larger than the sum of its proper divisors (3179449451307).

213023113233013 is an equidigital number, since it uses as much as digits as its factorization.

213023113233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179449451306.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 213023113233013 its reverse (310332311320312), we get a palindrome (523355424553325).

The spelling of 213023113233013 in words is "two hundred thirteen trillion, twenty-three billion, one hundred thirteen million, two hundred thirty-three thousand, thirteen".