311032424161 has 2 divisors, whose sum is σ = 311032424162. Its totient is φ = 311032424160.

The previous prime is 311032424141. The next prime is 311032424243. The reversal of 311032424161 is 161424230113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310042944225 + 989479936 = 556815^2 + 31456^2 .

It is an emirp because it is prime and its reverse (161424230113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311032424161 - 2²⁷ = 310898206433 is a prime.

It is not a weakly prime, because it can be changed into another prime (311032424111) 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, 155516212080 + 155516212081.

It is an arithmetic number, because the mean of its divisors is an integer number (155516212081).

Almost surely, 2^311032424161 is an apocalyptic number.

It is an amenable number.

311032424161 is a deficient number, since it is larger than the sum of its proper divisors (1).

311032424161 is an equidigital number, since it uses as much as digits as its factorization.

311032424161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 311032424161 its reverse (161424230113), we get a palindrome (472456654274).

The spelling of 311032424161 in words is "three hundred eleven billion, thirty-two million, four hundred twenty-four thousand, one hundred sixty-one".