213213301013 has 8 divisors (see below), whose sum is σ = 219122547768. Its totient is φ = 207311776704.

The previous prime is 213213301003. The next prime is 213213301027. The reversal of 213213301013 is 310103312312.

It can be written as a sum of positive squares in 4 ways, for example, as 101351816164 + 111861484849 = 318358^2 + 334457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213213301013 - 2¹⁸ = 213213038869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213213301003) 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, 1874606 + ... + 1985087.

It is an arithmetic number, because the mean of its divisors is an integer number (27390318471).

Almost surely, 2^213213301013 is an apocalyptic number.

It is an amenable number.

213213301013 is a deficient number, since it is larger than the sum of its proper divisors (5909246755).

213213301013 is a wasteful number, since it uses less digits than its factorization.

213213301013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861223.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213213301013 its reverse (310103312312), we get a palindrome (523316613325).

The spelling of 213213301013 in words is "two hundred thirteen billion, two hundred thirteen million, three hundred one thousand, thirteen".