311341143163 has 2 divisors, whose sum is σ = 311341143164. Its totient is φ = 311341143162.

The previous prime is 311341143149. The next prime is 311341143227. The reversal of 311341143163 is 361341143113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311341143163 - 2³⁷ = 173902189691 is a prime.

It is not a weakly prime, because it can be changed into another prime (311341143263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155670571581 + 155670571582.

It is an arithmetic number, because the mean of its divisors is an integer number (155670571582).

Almost surely, 2^311341143163 is an apocalyptic number.

311341143163 is a deficient number, since it is larger than the sum of its proper divisors (1).

311341143163 is an equidigital number, since it uses as much as digits as its factorization.

311341143163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 31.

Adding to 311341143163 its reverse (361341143113), we get a palindrome (672682286276).

The spelling of 311341143163 in words is "three hundred eleven billion, three hundred forty-one million, one hundred forty-three thousand, one hundred sixty-three".