311321310011 has 2 divisors, whose sum is σ = 311321310012. Its totient is φ = 311321310010.

The previous prime is 311321309941. The next prime is 311321310037. The reversal of 311321310011 is 110013123113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311321310011 - 2¹⁴ = 311321293627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (311321313011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155660655005 + 155660655006.

It is an arithmetic number, because the mean of its divisors is an integer number (155660655006).

Almost surely, 2^311321310011 is an apocalyptic number.

311321310011 is a deficient number, since it is larger than the sum of its proper divisors (1).

311321310011 is an equidigital number, since it uses as much as digits as its factorization.

311321310011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 311321310011 its reverse (110013123113), we get a palindrome (421334433124).

The spelling of 311321310011 in words is "three hundred eleven billion, three hundred twenty-one million, three hundred ten thousand, eleven".