320329807907 has 2 divisors, whose sum is σ = 320329807908. Its totient is φ = 320329807906.

The previous prime is 320329807871. The next prime is 320329807913. The reversal of 320329807907 is 709708923023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320329807907 - 2¹⁶ = 320329742371 is a prime.

It is a super-2 number, since 2×320329807907² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320329800907) 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, 160164903953 + 160164903954.

It is an arithmetic number, because the mean of its divisors is an integer number (160164903954).

Almost surely, 2^320329807907 is an apocalyptic number.

320329807907 is a deficient number, since it is larger than the sum of its proper divisors (1).

320329807907 is an equidigital number, since it uses as much as digits as its factorization.

320329807907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 320329807907 in words is "three hundred twenty billion, three hundred twenty-nine million, eight hundred seven thousand, nine hundred seven".