320004243134213 has 16 divisors (see below), whose sum is σ = 352553317549632. Its totient is φ = 288031488000000.

The previous prime is 320004243134201. The next prime is 320004243134267. The reversal of 320004243134213 is 312431342400023.

It is a cyclic number.

It is not a de Polignac number, because 320004243134213 - 2⁴⁰ = 318904731506437 is a prime.

It is a super-2 number, since 2×320004243134213² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320004243134213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320004243134413) 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, 426250070 + ... + 427000152.

It is an arithmetic number, because the mean of its divisors is an integer number (22034582346852).

Almost surely, 2^{320004243134213} is an apocalyptic number.

It is an amenable number.

320004243134213 is a deficient number, since it is larger than the sum of its proper divisors (32549074415419).

320004243134213 is a wasteful number, since it uses less digits than its factorization.

320004243134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134196.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 320004243134213 its reverse (312431342400023), we get a palindrome (632435585534236).

The spelling of 320004243134213 in words is "three hundred twenty trillion, four billion, two hundred forty-three million, one hundred thirty-four thousand, two hundred thirteen".