311313031322311 has 2 divisors, whose sum is σ = 311313031322312. Its totient is φ = 311313031322310.

The previous prime is 311313031322309. The next prime is 311313031322333. The reversal of 311313031322311 is 113223130313113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311313031322311 - 2¹ = 311313031322309 is a prime.

Together with 311313031322309, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 311313031322311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311313031323311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155656515661155 + 155656515661156.

It is an arithmetic number, because the mean of its divisors is an integer number (155656515661156).

Almost surely, 2^{311313031322311} is an apocalyptic number.

311313031322311 is a deficient number, since it is larger than the sum of its proper divisors (1).

311313031322311 is an equidigital number, since it uses as much as digits as its factorization.

311313031322311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 311313031322311 its reverse (113223130313113), we get a palindrome (424536161635424).

The spelling of 311313031322311 in words is "three hundred eleven trillion, three hundred thirteen billion, thirty-one million, three hundred twenty-two thousand, three hundred eleven".