11311215322 has 32 divisors (see below), whose sum is σ = 18634176000. Its totient is φ = 5106855600.

The previous prime is 11311215301. The next prime is 11311215329. The reversal of 11311215322 is 22351211311.

11311215322 is digitally balanced in base 2, because in such base 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 (22).

It is a junction number, because it is equal to n+sod(n) for n = 11311215293 and 11311215302.

It is not an unprimeable number, because it can be changed into a prime (11311215329) by changing a digit.

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, 3023329 + ... + 3027067.

It is an arithmetic number, because the mean of its divisors is an integer number (582318000).

Almost surely, 2^11311215322 is an apocalyptic number.

11311215322 is a deficient number, since it is larger than the sum of its proper divisors (7322960678).

11311215322 is a wasteful number, since it uses less digits than its factorization.

11311215322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642.

The product of its digits is 360, while the sum is 22.

Adding to 11311215322 its reverse (22351211311), we get a palindrome (33662426633).

The spelling of 11311215322 in words is "eleven billion, three hundred eleven million, two hundred fifteen thousand, three hundred twenty-two".