11131343101 has 2 divisors, whose sum is σ = 11131343102. Its totient is φ = 11131343100.

The previous prime is 11131343081. The next prime is 11131343159. The reversal of 11131343101 is 10134313111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9799020100 + 1332323001 = 98990^2 + 36501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131343101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131343161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565671550 + 5565671551.

It is an arithmetic number, because the mean of its divisors is an integer number (5565671551).

Almost surely, 2^11131343101 is an apocalyptic number.

It is an amenable number.

11131343101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131343101 is an equidigital number, since it uses as much as digits as its factorization.

11131343101 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 19.

Adding to 11131343101 its reverse (10134313111), we get a palindrome (21265656212).

The spelling of 11131343101 in words is "eleven billion, one hundred thirty-one million, three hundred forty-three thousand, one hundred one".