11331131331203 has 16 divisors (see below), whose sum is σ = 11680635114720. Its totient is φ = 10985554922496.

The previous prime is 11331131331127. The next prime is 11331131331209. The reversal of 11331131331203 is 30213313113311.

It is a cyclic number.

It is not a de Polignac number, because 11331131331203 - 2¹⁶ = 11331131265667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331131331209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52729151 + ... + 52943607.

It is an arithmetic number, because the mean of its divisors is an integer number (730039694670).

Almost surely, 2^{11331131331203} is an apocalyptic number.

11331131331203 is a deficient number, since it is larger than the sum of its proper divisors (349503783517).

11331131331203 is a wasteful number, since it uses less digits than its factorization.

11331131331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223606.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 11331131331203 its reverse (30213313113311), we get a palindrome (41544444444514).

The spelling of 11331131331203 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-one thousand, two hundred three".