11311011 has 12 divisors (see below), whose sum is σ = 16780192. Its totient is φ = 7336656.

The previous prime is 11310989. The next prime is 11311019. The reversal of 11311011 is 11011311.

11311011 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11311011 - 2⁷ = 11310883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11310984 and 11311002.

It is not an unprimeable number, because it can be changed into a prime (11311019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16651 + ... + 17316.

Almost surely, 2^11311011 is an apocalyptic number.

11311011 is a deficient number, since it is larger than the sum of its proper divisors (5469181).

11311011 is a wasteful number, since it uses less digits than its factorization.

11311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34010 (or 34007 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

The square root of 11311011 is about 3363.1846514873. The cubic root of 11311011 is about 224.4745665240.

Adding to 11311011 its reverse (11011311), we get a palindrome (22322322).

The spelling of 11311011 in words is "eleven million, three hundred eleven thousand, eleven".