11331131312227 has 2 divisors, whose sum is σ = 11331131312228. Its totient is φ = 11331131312226.

The previous prime is 11331131312203. The next prime is 11331131312257. The reversal of 11331131312227 is 72221313113311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11331131312227 - 2¹⁵ = 11331131279459 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331131312257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665565656113 + 5665565656114.

It is an arithmetic number, because the mean of its divisors is an integer number (5665565656114).

Almost surely, 2^{11331131312227} is an apocalyptic number.

11331131312227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331131312227 is an equidigital number, since it uses as much as digits as its factorization.

11331131312227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 31.

Adding to 11331131312227 its reverse (72221313113311), we get a palindrome (83552444425538).

The spelling of 11331131312227 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twelve thousand, two hundred twenty-seven".