213320023211 has 4 divisors (see below), whose sum is σ = 213346074624. Its totient is φ = 213293971800.

The previous prime is 213320023193. The next prime is 213320023229. The reversal of 213320023211 is 112320023312.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (213320023193) and next prime (213320023229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213320023211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213320026211) 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, 13013420 + ... + 13029801.

It is an arithmetic number, because the mean of its divisors is an integer number (53336518656).

Almost surely, 2^213320023211 is an apocalyptic number.

213320023211 is a deficient number, since it is larger than the sum of its proper divisors (26051413).

213320023211 is an equidigital number, since it uses as much as digits as its factorization.

213320023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26051412.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213320023211 its reverse (112320023312), we get a palindrome (325640046523).

The spelling of 213320023211 in words is "two hundred thirteen billion, three hundred twenty million, twenty-three thousand, two hundred eleven".