311133213211 has 8 divisors (see below), whose sum is σ = 313377662304. Its totient is φ = 308893304640.

The previous prime is 311133213179. The next prime is 311133213217. The reversal of 311133213211 is 112312331113.

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 311133213211 - 2⁵ = 311133213179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311133213217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997530 + ... + 1271743.

It is an arithmetic number, because the mean of its divisors is an integer number (39172207788).

Almost surely, 2^311133213211 is an apocalyptic number.

311133213211 is a deficient number, since it is larger than the sum of its proper divisors (2244449093).

311133213211 is a wasteful number, since it uses less digits than its factorization.

311133213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270261.

The product of its digits is 324, while the sum is 22.

Adding to 311133213211 its reverse (112312331113), we get a palindrome (423445544324).

The spelling of 311133213211 in words is "three hundred eleven billion, one hundred thirty-three million, two hundred thirteen thousand, two hundred eleven".