311962307311 has 2 divisors, whose sum is σ = 311962307312. Its totient is φ = 311962307310.

The previous prime is 311962307309. The next prime is 311962307413. The reversal of 311962307311 is 113703269113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311962307311 - 2¹ = 311962307309 is a prime.

Together with 311962307309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311962308311) 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, 155981153655 + 155981153656.

It is an arithmetic number, because the mean of its divisors is an integer number (155981153656).

Almost surely, 2^311962307311 is an apocalyptic number.

311962307311 is a deficient number, since it is larger than the sum of its proper divisors (1).

311962307311 is an equidigital number, since it uses as much as digits as its factorization.

311962307311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 311962307311 in words is "three hundred eleven billion, nine hundred sixty-two million, three hundred seven thousand, three hundred eleven".