320311127047837 has 2 divisors, whose sum is σ = 320311127047838. Its totient is φ = 320311127047836.

The previous prime is 320311127047781. The next prime is 320311127047861. The reversal of 320311127047837 is 738740721113023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287039699524516 + 33271427523321 = 16942246^2 + 5768139^2 .

It is a cyclic number.

It is not a de Polignac number, because 320311127047837 - 2¹⁵ = 320311127015069 is a prime.

It is a super-2 number, since 2×320311127047837² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320311127048837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160155563523918 + 160155563523919.

It is an arithmetic number, because the mean of its divisors is an integer number (160155563523919).

Almost surely, 2^{320311127047837} is an apocalyptic number.

It is an amenable number.

320311127047837 is a deficient number, since it is larger than the sum of its proper divisors (1).

320311127047837 is an equidigital number, since it uses as much as digits as its factorization.

320311127047837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 320311127047837 in words is "three hundred twenty trillion, three hundred eleven billion, one hundred twenty-seven million, forty-seven thousand, eight hundred thirty-seven".