320520053312113 has 16 divisors (see below), whose sum is σ = 334957330091520. Its totient is φ = 306124591094784.

The previous prime is 320520053312111. The next prime is 320520053312161. The reversal of 320520053312113 is 311213350025023.

It is not a de Polignac number, because 320520053312113 - 2¹ = 320520053312111 is a prime.

It is a super-3 number, since 3×320520053312113³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320520053312111) 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, 2132048733 + ... + 2132199061.

It is an arithmetic number, because the mean of its divisors is an integer number (20934833130720).

Almost surely, 2^{320520053312113} is an apocalyptic number.

It is an amenable number.

320520053312113 is a deficient number, since it is larger than the sum of its proper divisors (14437276779407).

320520053312113 is a wasteful number, since it uses less digits than its factorization.

320520053312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288768.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 320520053312113 in words is "three hundred twenty trillion, five hundred twenty billion, fifty-three million, three hundred twelve thousand, one hundred thirteen".