11320313211 has 6 divisors (see below), whose sum is σ = 16351563540. Its totient is φ = 7546875468.

The previous prime is 11320313189. The next prime is 11320313239. The reversal of 11320313211 is 11231302311.

11320313211 is a `hidden beast` number, since 11 + 320 + 313 + 21 + 1 = 666.

It is not a de Polignac number, because 11320313211 - 2¹⁰ = 11320312187 is a prime.

It is a super-2 number, since 2×11320313211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11320313261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628906281 + ... + 628906298.

It is an arithmetic number, because the mean of its divisors is an integer number (2725260590).

Almost surely, 2^11320313211 is an apocalyptic number.

11320313211 is a deficient number, since it is larger than the sum of its proper divisors (5031250329).

11320313211 is a wasteful number, since it uses less digits than its factorization.

11320313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257812585 (or 1257812582 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11320313211 its reverse (11231302311), we get a palindrome (22551615522).

The spelling of 11320313211 in words is "eleven billion, three hundred twenty million, three hundred thirteen thousand, two hundred eleven".