13113311211 has 80 divisors (see below), whose sum is σ = 26301504768. Its totient is φ = 6288062400.

The previous prime is 13113311201. The next prime is 13113311227. The reversal of 13113311211 is 11211331131.

13113311211 is a `hidden beast` number, since 1 + 311 + 331 + 1 + 21 + 1 = 666.

It is not a de Polignac number, because 13113311211 - 2⁷ = 13113311083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13113311201) 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, 216 + ... + 161946.

Almost surely, 2^13113311211 is an apocalyptic number.

13113311211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13113311211 is an abundant number, since it is smaller than the sum of its proper divisors (13188193557).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13113311211 is a wasteful number, since it uses less digits than its factorization.

13113311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161774 (or 161765 counting only the distinct ones).

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

Adding to 13113311211 its reverse (11211331131), we get a palindrome (24324642342).

The spelling of 13113311211 in words is "thirteen billion, one hundred thirteen million, three hundred eleven thousand, two hundred eleven".