11023031311 has 2 divisors, whose sum is σ = 11023031312. Its totient is φ = 11023031310.

The previous prime is 11023031303. The next prime is 11023031347. The reversal of 11023031311 is 11313032011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11023031311 - 2³ = 11023031303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11023031351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511515655 + 5511515656.

It is an arithmetic number, because the mean of its divisors is an integer number (5511515656).

Almost surely, 2^11023031311 is an apocalyptic number.

11023031311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11023031311 is an equidigital number, since it uses as much as digits as its factorization.

11023031311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11023031311 its reverse (11313032011), we get a palindrome (22336063322).

The spelling of 11023031311 in words is "eleven billion, twenty-three million, thirty-one thousand, three hundred eleven".