320335117121273 has 16 divisors (see below), whose sum is σ = 323331747563520. Its totient is φ = 317341359842304.

The previous prime is 320335117121233. The next prime is 320335117121293. The reversal of 320335117121273 is 372121711533023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320335117121273 is a prime.

It is a super-2 number, since 2×320335117121273² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 320335117121273.

It is not an unprimeable number, because it can be changed into a prime (320335117121233) 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, 2222887340 + ... + 2223031442.

It is an arithmetic number, because the mean of its divisors is an integer number (20208234222720).

Almost surely, 2^{320335117121273} is an apocalyptic number.

It is an amenable number.

320335117121273 is a deficient number, since it is larger than the sum of its proper divisors (2996630442247).

320335117121273 is a wasteful number, since it uses less digits than its factorization.

320335117121273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153928.

The product of its (nonzero) digits is 158760, while the sum is 41.

Adding to 320335117121273 its reverse (372121711533023), we get a palindrome (692456828654296).

The spelling of 320335117121273 in words is "three hundred twenty trillion, three hundred thirty-five billion, one hundred seventeen million, one hundred twenty-one thousand, two hundred seventy-three".