320201144329 has 10 divisors (see below), whose sum is σ = 352219087850. Its totient is φ = 291091936080.

The previous prime is 320201144323. The next prime is 320201144357. The reversal of 320201144329 is 923441102023.

It can be written as a sum of positive squares in only one way, i.e., 281777303929 + 38423840400 = 530827^2 + 196020^2 .

It is not a de Polignac number, because 320201144329 - 2¹³ = 320201136137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320201144329.

It is not an unprimeable number, because it can be changed into a prime (320201144323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10920444 + ... + 10949725.

It is an arithmetic number, because the mean of its divisors is an integer number (35221908785).

Almost surely, 2^320201144329 is an apocalyptic number.

It is an amenable number.

320201144329 is a deficient number, since it is larger than the sum of its proper divisors (32017943521).

320201144329 is an frugal number, since it uses more digits than its factorization.

320201144329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870213 (or 21870180 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 320201144329 in words is "three hundred twenty billion, two hundred one million, one hundred forty-four thousand, three hundred twenty-nine".