11311331000211 has 80 divisors (see below), whose sum is σ = 19086246812160. Its totient is φ = 6612943135680.

The previous prime is 11311331000197. The next prime is 11311331000227. The reversal of 11311331000211 is 11200013311311.

11311331000211 is a `hidden beast` number, since 1 + 1 + 311 + 331 + 0 + 0 + 0 + 21 + 1 = 666.

It is not a de Polignac number, because 11311331000211 - 2⁷ = 11311331000083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311331000251) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 28301976 + ... + 28698858.

It is an arithmetic number, because the mean of its divisors is an integer number (238578085152).

Almost surely, 2^{11311331000211} is an apocalyptic number.

11311331000211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11311331000211 is a deficient number, since it is larger than the sum of its proper divisors (7774915811949).

11311331000211 is a wasteful number, since it uses less digits than its factorization.

11311331000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398038 (or 398029 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 11311331000211 its reverse (11200013311311), we get a palindrome (22511344311522).

The spelling of 11311331000211 in words is "eleven trillion, three hundred eleven billion, three hundred thirty-one million, two hundred eleven", and thus it is an aban number.