11031113113 has 2 divisors, whose sum is σ = 11031113114. Its totient is φ = 11031113112.

The previous prime is 11031113069. The next prime is 11031113117. The reversal of 11031113113 is 31131113011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10896854544 + 134258569 = 104388^2 + 11587^2 .

It is an emirp because it is prime and its reverse (31131113011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11031113113 - 2²⁹ = 10494242201 is a prime.

It is not a weakly prime, because it can be changed into another prime (11031113117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515556556 + 5515556557.

It is an arithmetic number, because the mean of its divisors is an integer number (5515556557).

Almost surely, 2^11031113113 is an apocalyptic number.

It is an amenable number.

11031113113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031113113 is an equidigital number, since it uses as much as digits as its factorization.

11031113113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 11031113113 its reverse (31131113011), we get a palindrome (42162226124).

The spelling of 11031113113 in words is "eleven billion, thirty-one million, one hundred thirteen thousand, one hundred thirteen".