11331131101031 has 8 divisors (see below), whose sum is σ = 13169353338240. Its totient is φ = 9547781169528.

The previous prime is 11331131101027. The next prime is 11331131101061. The reversal of 11331131101031 is 13010113113311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11331131101031 - 2² = 11331131101027 is a prime.

It is a super-2 number, since 2×11331131101031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331131100994 and 11331131101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131101001) 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 7 ways as a sum of consecutive naturals, for example, 13718075981 + ... + 13718076806.

It is an arithmetic number, because the mean of its divisors is an integer number (1646169167280).

Almost surely, 2^{11331131101031} is an apocalyptic number.

11331131101031 is a deficient number, since it is larger than the sum of its proper divisors (1838222237209).

11331131101031 is an equidigital number, since it uses as much as digits as its factorization.

11331131101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27436152853.

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

Adding to 11331131101031 its reverse (13010113113311), we get a palindrome (24341244214342).

The spelling of 11331131101031 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, one hundred one thousand, thirty-one".