11331131333311 has 4 divisors (see below), whose sum is σ = 11823789217392. Its totient is φ = 10838473449232.

The previous prime is 11331131333303. The next prime is 11331131333317. The reversal of 11331131333311 is 11333313113311.

It is a happy number.

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 11331131333311 - 2³ = 11331131333303 is a prime.

It is a super-3 number, since 3×11331131333311³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331131333311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131333317) 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, 246328942006 + ... + 246328942051.

It is an arithmetic number, because the mean of its divisors is an integer number (2955947304348).

Almost surely, 2^{11331131333311} is an apocalyptic number.

11331131333311 is a deficient number, since it is larger than the sum of its proper divisors (492657884081).

11331131333311 is an equidigital number, since it uses as much as digits as its factorization.

11331131333311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492657884080.

The product of its digits is 2187, while the sum is 28.

Adding to 11331131333311 its reverse (11333313113311), we get a palindrome (22664444446622).

The spelling of 11331131333311 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred thirty-three thousand, three hundred eleven".