213213331011 has 8 divisors (see below), whose sum is σ = 285986744064. Its totient is φ = 141291069320.

The previous prime is 213213330977. The next prime is 213213331061. The reversal of 213213331011 is 110133312312.

It is a happy number.

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 213213331011 - 2⁶ = 213213330947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213213331061) 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, 212787255 + ... + 212788256.

It is an arithmetic number, because the mean of its divisors is an integer number (35748343008).

Almost surely, 2^213213331011 is an apocalyptic number.

213213331011 is a deficient number, since it is larger than the sum of its proper divisors (72773413053).

213213331011 is a wasteful number, since it uses less digits than its factorization.

213213331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425575681.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213213331011 its reverse (110133312312), we get a palindrome (323346643323).

The spelling of 213213331011 in words is "two hundred thirteen billion, two hundred thirteen million, three hundred thirty-one thousand, eleven".