311200302011 has 2 divisors, whose sum is σ = 311200302012. Its totient is φ = 311200302010.

The previous prime is 311200301969. The next prime is 311200302079. The reversal of 311200302011 is 110203002113.

It is a weak prime.

It is an emirp because it is prime and its reverse (110203002113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311200302011 is a prime.

It is a super-2 number, since 2×311200302011² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311200302311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155600151005 + 155600151006.

It is an arithmetic number, because the mean of its divisors is an integer number (155600151006).

Almost surely, 2^311200302011 is an apocalyptic number.

311200302011 is a deficient number, since it is larger than the sum of its proper divisors (1).

311200302011 is an equidigital number, since it uses as much as digits as its factorization.

311200302011 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 311200302011 its reverse (110203002113), we get a palindrome (421403304124).

The spelling of 311200302011 in words is "three hundred eleven billion, two hundred million, three hundred two thousand, eleven".