11331131103311 has 4 divisors (see below), whose sum is σ = 11823788977392. Its totient is φ = 10838473229232.

The previous prime is 11331131103293. The next prime is 11331131103329. The reversal of 11331131103311 is 11330113113311.

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

It is an interprime number because it is at equal distance from previous prime (11331131103293) and next prime (11331131103329).

It is a cyclic number.

It is not a de Polignac number, because 11331131103311 - 2¹⁴ = 11331131086927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 492657874057 = 11331131103311 / (1 + 1 + 3 + 3 + 1 + 1 + 3 + 1 + 1 + 0 + 3 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131163311) 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, 246328937006 + ... + 246328937051.

It is an arithmetic number, because the mean of its divisors is an integer number (2955947244348).

Almost surely, 2^{11331131103311} is an apocalyptic number.

11331131103311 is a deficient number, since it is larger than the sum of its proper divisors (492657874081).

11331131103311 is an equidigital number, since it uses as much as digits as its factorization.

11331131103311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492657874080.

The product of its (nonzero) digits is 243, while the sum is 23.

Adding to 11331131103311 its reverse (11330113113311), we get a palindrome (22661244216622).

The spelling of 11331131103311 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred three thousand, three hundred eleven".