320143202611 has 2 divisors, whose sum is σ = 320143202612. Its totient is φ = 320143202610.

The previous prime is 320143202609. The next prime is 320143202623. The reversal of 320143202611 is 116202341023.

It is a weak prime.

It is an emirp because it is prime and its reverse (116202341023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320143202611 - 2¹ = 320143202609 is a prime.

Together with 320143202609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (320143202311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160071601305 + 160071601306.

It is an arithmetic number, because the mean of its divisors is an integer number (160071601306).

Almost surely, 2^320143202611 is an apocalyptic number.

320143202611 is a deficient number, since it is larger than the sum of its proper divisors (1).

320143202611 is an equidigital number, since it uses as much as digits as its factorization.

320143202611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 320143202611 its reverse (116202341023), we get a palindrome (436345543634).

The spelling of 320143202611 in words is "three hundred twenty billion, one hundred forty-three million, two hundred two thousand, six hundred eleven".