11131022311302 has 32 divisors (see below), whose sum is σ = 22864247596512. Its totient is φ = 3609978223104.

The previous prime is 11131022311259. The next prime is 11131022311309. The reversal of 11131022311302 is 20311322013111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131022311309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9487488 + ... + 10595964.

It is an arithmetic number, because the mean of its divisors is an integer number (714507737391).

Almost surely, 2^{11131022311302} is an apocalyptic number.

11131022311302 is an abundant number, since it is smaller than the sum of its proper divisors (11733225285210).

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

11131022311302 is a wasteful number, since it uses less digits than its factorization.

11131022311302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153752.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11131022311302 its reverse (20311322013111), we get a palindrome (31442344324413).

The spelling of 11131022311302 in words is "eleven trillion, one hundred thirty-one billion, twenty-two million, three hundred eleven thousand, three hundred two".