11310302021 has 2 divisors, whose sum is σ = 11310302022. Its totient is φ = 11310302020.

The previous prime is 11310302009. The next prime is 11310302023. The reversal of 11310302021 is 12020301311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8838820225 + 2471481796 = 94015^2 + 49714^2 .

It is an emirp because it is prime and its reverse (12020301311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11310302021 is a prime.

Together with 11310302023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11310301987 and 11310302005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11310302023) 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, 5655151010 + 5655151011.

It is an arithmetic number, because the mean of its divisors is an integer number (5655151011).

Almost surely, 2^11310302021 is an apocalyptic number.

It is an amenable number.

11310302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310302021 is an equidigital number, since it uses as much as digits as its factorization.

11310302021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11310302021 its reverse (12020301311), we get a palindrome (23330603332).

The spelling of 11310302021 in words is "eleven billion, three hundred ten million, three hundred two thousand, twenty-one".