320313424433 has 2 divisors, whose sum is σ = 320313424434. Its totient is φ = 320313424432.

The previous prime is 320313424373. The next prime is 320313424447. The reversal of 320313424433 is 334424313023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317934716449 + 2378707984 = 563857^2 + 48772^2 .

It is a cyclic number.

It is not a de Polignac number, because 320313424433 - 2⁸ = 320313424177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320313424433.

It is not a weakly prime, because it can be changed into another prime (320313424033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160156712216 + 160156712217.

It is an arithmetic number, because the mean of its divisors is an integer number (160156712217).

Almost surely, 2^320313424433 is an apocalyptic number.

It is an amenable number.

320313424433 is a deficient number, since it is larger than the sum of its proper divisors (1).

320313424433 is an equidigital number, since it uses as much as digits as its factorization.

320313424433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 320313424433 its reverse (334424313023), we get a palindrome (654737737456).

The spelling of 320313424433 in words is "three hundred twenty billion, three hundred thirteen million, four hundred twenty-four thousand, four hundred thirty-three".