311033013010043 has 2 divisors, whose sum is σ = 311033013010044. Its totient is φ = 311033013010042.

The previous prime is 311033013010021. The next prime is 311033013010121. The reversal of 311033013010043 is 340010310330113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311033013010043 is a prime.

It is not a weakly prime, because it can be changed into another prime (311033013010543) 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, 155516506505021 + 155516506505022.

It is an arithmetic number, because the mean of its divisors is an integer number (155516506505022).

Almost surely, 2^{311033013010043} is an apocalyptic number.

311033013010043 is a deficient number, since it is larger than the sum of its proper divisors (1).

311033013010043 is an equidigital number, since it uses as much as digits as its factorization.

311033013010043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 311033013010043 its reverse (340010310330113), we get a palindrome (651043323340156).

The spelling of 311033013010043 in words is "three hundred eleven trillion, thirty-three billion, thirteen million, ten thousand, forty-three".