11331311022 has 32 divisors (see below), whose sum is σ = 25992975360. Its totient is φ = 3655261080.

The previous prime is 11331311011. The next prime is 11331311041. The reversal of 11331311022 is 22011313311.

11331311022 is a `hidden beast` number, since 1 + 1 + 331 + 311 + 0 + 22 = 666.

11331311022 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11331310986 and 11331311004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382828 + ... + 3386175.

It is an arithmetic number, because the mean of its divisors is an integer number (812280480).

Almost surely, 2^11331311022 is an apocalyptic number.

11331311022 is an abundant number, since it is smaller than the sum of its proper divisors (14661664338).

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

11331311022 is a wasteful number, since it uses less digits than its factorization.

11331311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769045 (or 6769039 counting only the distinct ones).

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

Adding to 11331311022 its reverse (22011313311), we get a palindrome (33342624333).

The spelling of 11331311022 in words is "eleven billion, three hundred thirty-one million, three hundred eleven thousand, twenty-two".