211323330013 has 4 divisors (see below), whose sum is σ = 222445610560. Its totient is φ = 200201049468.

The previous prime is 211323329999. The next prime is 211323330041. The reversal of 211323330013 is 310033323112.

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 211323330013 - 2²¹ = 211321232861 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 (211323331013) 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, 5561140245 + ... + 5561140282.

It is an arithmetic number, because the mean of its divisors is an integer number (55611402640).

Almost surely, 2^211323330013 is an apocalyptic number.

It is an amenable number.

211323330013 is a deficient number, since it is larger than the sum of its proper divisors (11122280547).

211323330013 is a wasteful number, since it uses less digits than its factorization.

211323330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122280546.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 211323330013 its reverse (310033323112), we get a palindrome (521356653125).

The spelling of 211323330013 in words is "two hundred eleven billion, three hundred twenty-three million, three hundred thirty thousand, thirteen".