213331320313 has 16 divisors (see below), whose sum is σ = 224921361600. Its totient is φ = 201777791040.

The previous prime is 213331320311. The next prime is 213331320343. The reversal of 213331320313 is 313023133312.

It is a cyclic number.

It is not a de Polignac number, because 213331320313 - 2¹ = 213331320311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213331320311) 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, 38345470 + ... + 38351032.

It is an arithmetic number, because the mean of its divisors is an integer number (14057585100).

Almost surely, 2^213331320313 is an apocalyptic number.

It is an amenable number.

213331320313 is a deficient number, since it is larger than the sum of its proper divisors (11590041287).

213331320313 is a wasteful number, since it uses less digits than its factorization.

213331320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 213331320313 its reverse (313023133312), we get a palindrome (526354453625).

The spelling of 213331320313 in words is "two hundred thirteen billion, three hundred thirty-one million, three hundred twenty thousand, three hundred thirteen".