320134205105 has 32 divisors (see below), whose sum is σ = 451933534080. Its totient is φ = 214624097280.

The previous prime is 320134205099. The next prime is 320134205107. The reversal of 320134205105 is 501502431023.

It is a happy number.

It is not a de Polignac number, because 320134205105 - 2²⁸ = 319865769649 is a prime.

It is a super-2 number, since 2×320134205105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320134205107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225449 + ... + 831321.

It is an arithmetic number, because the mean of its divisors is an integer number (14122922940).

Almost surely, 2^320134205105 is an apocalyptic number.

It is an amenable number.

320134205105 is a deficient number, since it is larger than the sum of its proper divisors (131799328975).

320134205105 is a wasteful number, since it uses less digits than its factorization.

320134205105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606641.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 320134205105 its reverse (501502431023), we get a palindrome (821636636128).

The spelling of 320134205105 in words is "three hundred twenty billion, one hundred thirty-four million, two hundred five thousand, one hundred five".