11331130111013 has 4 divisors (see below), whose sum is σ = 11331740873388. Its totient is φ = 11330519348640.

The previous prime is 11331130110973. The next prime is 11331130111031. The reversal of 11331130111013 is 31011103113311.

It is a happy number.

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 1329957884644 + 10001172226369 = 1153238^2 + 3162463^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331130111013 - 2⁸ = 11331130110757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331130114013) 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 3 ways as a sum of consecutive naturals, for example, 305353358 + ... + 305390463.

It is an arithmetic number, because the mean of its divisors is an integer number (2832935218347).

Almost surely, 2^{11331130111013} is an apocalyptic number.

It is an amenable number.

11331130111013 is a deficient number, since it is larger than the sum of its proper divisors (610762375).

11331130111013 is an equidigital number, since it uses as much as digits as its factorization.

11331130111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610762374.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 11331130111013 its reverse (31011103113311), we get a palindrome (42342233224324).

The spelling of 11331130111013 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty million, one hundred eleven thousand, thirteen".