11311311323211 has 16 divisors (see below), whose sum is σ = 15172277164800. Its totient is φ = 7495611151968.

The previous prime is 11311311323183. The next prime is 11311311323227. The reversal of 11311311323211 is 11232311311311.

It is not a de Polignac number, because 11311311323211 - 2¹³ = 11311311315019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311311323261) 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 15 ways as a sum of consecutive naturals, for example, 50021760 + ... + 50247378.

It is an arithmetic number, because the mean of its divisors is an integer number (948267322800).

Almost surely, 2^{11311311323211} is an apocalyptic number.

11311311323211 is a deficient number, since it is larger than the sum of its proper divisors (3860965841589).

11311311323211 is a wasteful number, since it uses less digits than its factorization.

11311311323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325858.

The product of its digits is 324, while the sum is 24.

Adding to 11311311323211 its reverse (11232311311311), we get a palindrome (22543622634522).

The spelling of 11311311323211 in words is "eleven trillion, three hundred eleven billion, three hundred eleven million, three hundred twenty-three thousand, two hundred eleven".