1311030011 has 2 divisors, whose sum is σ = 1311030012. Its totient is φ = 1311030010.

The previous prime is 1311029989. The next prime is 1311030029. The reversal of 1311030011 is 1100301131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311030011 - 2³⁰ = 237288187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1311029974 and 1311030001.

It is not a weakly prime, because it can be changed into another prime (1311030211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655515005 + 655515006.

It is an arithmetic number, because the mean of its divisors is an integer number (655515006).

Almost surely, 2^1311030011 is an apocalyptic number.

1311030011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311030011 is an equidigital number, since it uses as much as digits as its factorization.

1311030011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1311030011 is about 36208.1484061254. The cubic root of 1311030011 is about 1094.4708802163.

Adding to 1311030011 its reverse (1100301131), we get a palindrome (2411331142).

The spelling of 1311030011 in words is "one billion, three hundred eleven million, thirty thousand, eleven".