11331131022313 has 4 divisors (see below), whose sum is σ = 11396628889668. Its totient is φ = 11265633154960.

The previous prime is 11331131022307. The next prime is 11331131022361. The reversal of 11331131022313 is 31322013113311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5147394451369 + 6183736570944 = 2268787^2 + 2486712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331131022313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331131022613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32748933418 + ... + 32748933763.

It is an arithmetic number, because the mean of its divisors is an integer number (2849157222417).

Almost surely, 2^{11331131022313} is an apocalyptic number.

It is an amenable number.

11331131022313 is a deficient number, since it is larger than the sum of its proper divisors (65497867355).

11331131022313 is an equidigital number, since it uses as much as digits as its factorization.

11331131022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65497867354.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 11331131022313 its reverse (31322013113311), we get a palindrome (42653144135624).

The spelling of 11331131022313 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, twenty-two thousand, three hundred thirteen".