320301302323213 has 4 divisors (see below), whose sum is σ = 320301737291740. Its totient is φ = 320300867354688.

The previous prime is 320301302323153. The next prime is 320301302323307. The reversal of 320301302323213 is 312323203103023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251430590172969 + 68870712150244 = 15856563^2 + 8298838^2 .

It is a cyclic number.

It is not a de Polignac number, because 320301302323213 - 2²⁵ = 320301268768781 is a prime.

It is a super-2 number, since 2×320301302323213² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320301303323213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216377820 + ... + 217853077.

It is an arithmetic number, because the mean of its divisors is an integer number (80075434322935).

Almost surely, 2^{320301302323213} is an apocalyptic number.

It is an amenable number.

320301302323213 is a deficient number, since it is larger than the sum of its proper divisors (434968527).

320301302323213 is an equidigital number, since it uses as much as digits as its factorization.

320301302323213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434968526.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 320301302323213 its reverse (312323203103023), we get a palindrome (632624505426236).

The spelling of 320301302323213 in words is "three hundred twenty trillion, three hundred one billion, three hundred two million, three hundred twenty-three thousand, two hundred thirteen".