320224215235013 has 8 divisors (see below), whose sum is σ = 321371817994776. Its totient is φ = 319076669318400.

The previous prime is 320224215234991. The next prime is 320224215235031. The reversal of 320224215235013 is 310532512422023.

It can be written as a sum of positive squares in 4 ways, for example, as 31097653381729 + 289126561853284 = 5576527^2 + 17003722^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320224215235013 - 2⁶ = 320224215234949 is a prime.

It is a super-2 number, since 2×320224215235013² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320224215235033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907578 + ... + 25473563.

It is an arithmetic number, because the mean of its divisors is an integer number (40171477249347).

Almost surely, 2^{320224215235013} is an apocalyptic number.

It is an amenable number.

320224215235013 is a deficient number, since it is larger than the sum of its proper divisors (1147602759763).

320224215235013 is a wasteful number, since it uses less digits than its factorization.

320224215235013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28421575.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 320224215235013 its reverse (310532512422023), we get a palindrome (630756727657036).

The spelling of 320224215235013 in words is "three hundred twenty trillion, two hundred twenty-four billion, two hundred fifteen million, two hundred thirty-five thousand, thirteen".