320143202311 has 2 divisors, whose sum is σ = 320143202312. Its totient is φ = 320143202310.

The previous prime is 320143202303. The next prime is 320143202329. The reversal of 320143202311 is 113202341023.

It is a weak prime.

It is an emirp because it is prime and its reverse (113202341023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320143202311 - 2³ = 320143202303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320143202611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160071601155 + 160071601156.

It is an arithmetic number, because the mean of its divisors is an integer number (160071601156).

Almost surely, 2^320143202311 is an apocalyptic number.

320143202311 is a deficient number, since it is larger than the sum of its proper divisors (1).

320143202311 is an equidigital number, since it uses as much as digits as its factorization.

320143202311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320143202311 its reverse (113202341023), we get a palindrome (433345543334).

The spelling of 320143202311 in words is "three hundred twenty billion, one hundred forty-three million, two hundred two thousand, three hundred eleven".