11031122331311 has 2 divisors, whose sum is σ = 11031122331312. Its totient is φ = 11031122331310.

The previous prime is 11031122331287. The next prime is 11031122331323. The reversal of 11031122331311 is 11313322113011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11031122331311 - 2⁶ = 11031122331247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11031122331331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515561165655 + 5515561165656.

It is an arithmetic number, because the mean of its divisors is an integer number (5515561165656).

Almost surely, 2^{11031122331311} is an apocalyptic number.

11031122331311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031122331311 is an equidigital number, since it uses as much as digits as its factorization.

11031122331311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11031122331311 its reverse (11313322113011), we get a palindrome (22344444444322).

The spelling of 11031122331311 in words is "eleven trillion, thirty-one billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred eleven".