311321211083 has 2 divisors, whose sum is σ = 311321211084. Its totient is φ = 311321211082.

The previous prime is 311321211073. The next prime is 311321211101. The reversal of 311321211083 is 380112123113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311321211083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (311321211073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155660605541 + 155660605542.

It is an arithmetic number, because the mean of its divisors is an integer number (155660605542).

Almost surely, 2^311321211083 is an apocalyptic number.

311321211083 is a deficient number, since it is larger than the sum of its proper divisors (1).

311321211083 is an equidigital number, since it uses as much as digits as its factorization.

311321211083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 311321211083 its reverse (380112123113), we get a palindrome (691433334196).

The spelling of 311321211083 in words is "three hundred eleven billion, three hundred twenty-one million, two hundred eleven thousand, eighty-three".