311440333101011 has 2 divisors, whose sum is σ = 311440333101012. Its totient is φ = 311440333101010.

The previous prime is 311440333100957. The next prime is 311440333101083. The reversal of 311440333101011 is 110101333044113.

It is a weak prime.

It is an emirp because it is prime and its reverse (110101333044113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311440333101011 - 2¹⁸ = 311440332838867 is a prime.

It is not a weakly prime, because it can be changed into another prime (311440333101091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155720166550505 + 155720166550506.

It is an arithmetic number, because the mean of its divisors is an integer number (155720166550506).

Almost surely, 2^{311440333101011} is an apocalyptic number.

311440333101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

311440333101011 is an equidigital number, since it uses as much as digits as its factorization.

311440333101011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 311440333101011 its reverse (110101333044113), we get a palindrome (421541666145124).

The spelling of 311440333101011 in words is "three hundred eleven trillion, four hundred forty billion, three hundred thirty-three million, one hundred one thousand, eleven".