311441112343043 has 2 divisors, whose sum is σ = 311441112343044. Its totient is φ = 311441112343042.

The previous prime is 311441112343021. The next prime is 311441112343069. The reversal of 311441112343043 is 340343211144113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311441112343043 - 2²² = 311441108148739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311441112342994 and 311441112343012.

It is not a weakly prime, because it can be changed into another prime (311441112343093) 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, 155720556171521 + 155720556171522.

It is an arithmetic number, because the mean of its divisors is an integer number (155720556171522).

Almost surely, 2^{311441112343043} is an apocalyptic number.

311441112343043 is a deficient number, since it is larger than the sum of its proper divisors (1).

311441112343043 is an equidigital number, since it uses as much as digits as its factorization.

311441112343043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 311441112343043 its reverse (340343211144113), we get a palindrome (651784323487156).

The spelling of 311441112343043 in words is "three hundred eleven trillion, four hundred forty-one billion, one hundred twelve million, three hundred forty-three thousand, forty-three".