320313043231 has 2 divisors, whose sum is σ = 320313043232. Its totient is φ = 320313043230.

The previous prime is 320313043207. The next prime is 320313043243. The reversal of 320313043231 is 132340313023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320313043231 - 2¹³ = 320313035039 is a prime.

It is a super-2 number, since 2×320313043231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320313043196 and 320313043205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320313043261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160156521615 + 160156521616.

It is an arithmetic number, because the mean of its divisors is an integer number (160156521616).

Almost surely, 2^320313043231 is an apocalyptic number.

320313043231 is a deficient number, since it is larger than the sum of its proper divisors (1).

320313043231 is an equidigital number, since it uses as much as digits as its factorization.

320313043231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 320313043231 its reverse (132340313023), we get a palindrome (452653356254).

The spelling of 320313043231 in words is "three hundred twenty billion, three hundred thirteen million, forty-three thousand, two hundred thirty-one".