213220040311 has 8 divisors (see below), whose sum is σ = 214335331200. Its totient is φ = 212105188152.

The previous prime is 213220040309. The next prime is 213220040339. The reversal of 213220040311 is 113040022312.

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 213220040311 - 2¹ = 213220040309 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 (213220047311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888516 + ... + 1102678.

It is an arithmetic number, because the mean of its divisors is an integer number (26791916400).

Almost surely, 2^213220040311 is an apocalyptic number.

213220040311 is a deficient number, since it is larger than the sum of its proper divisors (1115290889).

213220040311 is a wasteful number, since it uses less digits than its factorization.

213220040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219365.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213220040311 its reverse (113040022312), we get a palindrome (326260062623).

The spelling of 213220040311 in words is "two hundred thirteen billion, two hundred twenty million, forty thousand, three hundred eleven".