311111121111083 has 2 divisors, whose sum is σ = 311111121111084. Its totient is φ = 311111121111082.

The previous prime is 311111121111079. The next prime is 311111121111199. The reversal of 311111121111083 is 380111121111113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311111121111083 - 2² = 311111121111079 is a prime.

It is not a weakly prime, because it can be changed into another prime (311111121111023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155555560555541 + 155555560555542.

It is an arithmetic number, because the mean of its divisors is an integer number (155555560555542).

Almost surely, 2^{311111121111083} is an apocalyptic number.

311111121111083 is a deficient number, since it is larger than the sum of its proper divisors (1).

311111121111083 is an equidigital number, since it uses as much as digits as its factorization.

311111121111083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 26.

Adding to 311111121111083 its reverse (380111121111113), we get a palindrome (691222242222196).

The spelling of 311111121111083 in words is "three hundred eleven trillion, one hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, eighty-three".