320645341101 has 16 divisors (see below), whose sum is σ = 472357332864. Its totient is φ = 192441874944.

The previous prime is 320645341097. The next prime is 320645341127. The reversal of 320645341101 is 101143546023.

It is not a de Polignac number, because 320645341101 - 2² = 320645341097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320645341151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136676296 + ... + 136678641.

It is an arithmetic number, because the mean of its divisors is an integer number (29522333304).

Almost surely, 2^320645341101 is an apocalyptic number.

It is an amenable number.

320645341101 is a deficient number, since it is larger than the sum of its proper divisors (151711991763).

320645341101 is a wasteful number, since it uses less digits than its factorization.

320645341101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273354980.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 320645341101 its reverse (101143546023), we get a palindrome (421788887124).

The spelling of 320645341101 in words is "three hundred twenty billion, six hundred forty-five million, three hundred forty-one thousand, one hundred one".