320341134209 has 2 divisors, whose sum is σ = 320341134210. Its totient is φ = 320341134208.

The previous prime is 320341134187. The next prime is 320341134221. The reversal of 320341134209 is 902431143023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294011203984 + 26329930225 = 542228^2 + 162265^2 .

It is a cyclic number.

It is not a de Polignac number, because 320341134209 - 2³² = 316046166913 is a prime.

It is not a weakly prime, because it can be changed into another prime (320341134229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160170567104 + 160170567105.

It is an arithmetic number, because the mean of its divisors is an integer number (160170567105).

Almost surely, 2^320341134209 is an apocalyptic number.

It is an amenable number.

320341134209 is a deficient number, since it is larger than the sum of its proper divisors (1).

320341134209 is an equidigital number, since it uses as much as digits as its factorization.

320341134209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 320341134209 in words is "three hundred twenty billion, three hundred forty-one million, one hundred thirty-four thousand, two hundred nine".