320042300105 has 32 divisors (see below), whose sum is σ = 420699650688. Its totient is φ = 231794956800.

The previous prime is 320042300069. The next prime is 320042300111. The reversal of 320042300105 is 501003240023.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-320042300105 is a prime.

It is a super-2 number, since 2×320042300105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36727229 + ... + 36735941.

It is an arithmetic number, because the mean of its divisors is an integer number (13146864084).

Almost surely, 2^320042300105 is an apocalyptic number.

It is an amenable number.

320042300105 is a deficient number, since it is larger than the sum of its proper divisors (100657350583).

320042300105 is a wasteful number, since it uses less digits than its factorization.

320042300105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11417.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 320042300105 its reverse (501003240023), we get a palindrome (821045540128).

The spelling of 320042300105 in words is "three hundred twenty billion, forty-two million, three hundred thousand, one hundred five".