320330323141 has 2 divisors, whose sum is σ = 320330323142. Its totient is φ = 320330323140.

The previous prime is 320330323081. The next prime is 320330323147. The reversal of 320330323141 is 141323033023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312453050625 + 7877272516 = 558975^2 + 88754^2 .

It is an emirp because it is prime and its reverse (141323033023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320330323141 - 2¹³ = 320330314949 is a prime.

It is a super-2 number, since 2×320330323141² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320330323147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160165161570 + 160165161571.

It is an arithmetic number, because the mean of its divisors is an integer number (160165161571).

Almost surely, 2^320330323141 is an apocalyptic number.

It is an amenable number.

320330323141 is a deficient number, since it is larger than the sum of its proper divisors (1).

320330323141 is an equidigital number, since it uses as much as digits as its factorization.

320330323141 is an evil number, because the sum of its binary digits is even.

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

Adding to 320330323141 its reverse (141323033023), we get a palindrome (461653356164).

The spelling of 320330323141 in words is "three hundred twenty billion, three hundred thirty million, three hundred twenty-three thousand, one hundred forty-one".