11031131322011 has 2 divisors, whose sum is σ = 11031131322012. Its totient is φ = 11031131322010.

The previous prime is 11031131321993. The next prime is 11031131322053. The reversal of 11031131322011 is 11022313113011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11031131322011 - 2¹⁴ = 11031131305627 is a prime.

It is not a weakly prime, because it can be changed into another prime (11031131322611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515565661005 + 5515565661006.

It is an arithmetic number, because the mean of its divisors is an integer number (5515565661006).

Almost surely, 2^{11031131322011} is an apocalyptic number.

11031131322011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031131322011 is an equidigital number, since it uses as much as digits as its factorization.

11031131322011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11031131322011 its reverse (11022313113011), we get a palindrome (22053444435022).

The spelling of 11031131322011 in words is "eleven trillion, thirty-one billion, one hundred thirty-one million, three hundred twenty-two thousand, eleven".