213233310331211 has 4 divisors (see below), whose sum is σ = 213233562497424. Its totient is φ = 213233058165000.

The previous prime is 213233310331169. The next prime is 213233310331219. The reversal of 213233310331211 is 112133013332312.

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

It is a cyclic number.

It is not a de Polignac number, because 213233310331211 - 2³⁸ = 212958432424267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213233310331219) 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, 124810415 + ... + 126507336.

It is an arithmetic number, because the mean of its divisors is an integer number (53308390624356).

Almost surely, 2^{213233310331211} is an apocalyptic number.

213233310331211 is a deficient number, since it is larger than the sum of its proper divisors (252166213).

213233310331211 is an equidigital number, since it uses as much as digits as its factorization.

213233310331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252166212.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 213233310331211 its reverse (112133013332312), we get a palindrome (325366323663523).

The spelling of 213233310331211 in words is "two hundred thirteen trillion, two hundred thirty-three billion, three hundred ten million, three hundred thirty-one thousand, two hundred eleven".