320242273331 has 2 divisors, whose sum is σ = 320242273332. Its totient is φ = 320242273330.

The previous prime is 320242273321. The next prime is 320242273451. The reversal of 320242273331 is 133372242023.

It is a weak prime.

It is an emirp because it is prime and its reverse (133372242023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320242273331 - 2¹⁰ = 320242272307 is a prime.

It is a super-2 number, since 2×320242273331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320242273321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160121136665 + 160121136666.

It is an arithmetic number, because the mean of its divisors is an integer number (160121136666).

Almost surely, 2^320242273331 is an apocalyptic number.

320242273331 is a deficient number, since it is larger than the sum of its proper divisors (1).

320242273331 is an equidigital number, since it uses as much as digits as its factorization.

320242273331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 32.

The spelling of 320242273331 in words is "three hundred twenty billion, two hundred forty-two million, two hundred seventy-three thousand, three hundred thirty-one".