11331131303311 has 4 divisors (see below), whose sum is σ = 11337200470312. Its totient is φ = 11325062136312.

The previous prime is 11331131303209. The next prime is 11331131303321. The reversal of 11331131303311 is 11330313113311.

11331131303311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11331131303311 - 2¹⁷ = 11331131172239 is a prime.

It is a super-2 number, since 2×11331131303311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131303321) 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, 3034580700 + ... + 3034584433.

It is an arithmetic number, because the mean of its divisors is an integer number (2834300117578).

Almost surely, 2^{11331131303311} is an apocalyptic number.

11331131303311 is a deficient number, since it is larger than the sum of its proper divisors (6069167001).

11331131303311 is an equidigital number, since it uses as much as digits as its factorization.

11331131303311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069167000.

The product of its (nonzero) digits is 729, while the sum is 25.

Adding to 11331131303311 its reverse (11330313113311), we get a palindrome (22661444416622).

The spelling of 11331131303311 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred three thousand, three hundred eleven".