320023311313 has 16 divisors (see below), whose sum is σ = 341862773760. Its totient is φ = 298911412800.

The previous prime is 320023311191. The next prime is 320023311331. The reversal of 320023311313 is 313113320023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320023311313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320023311343) 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, 2450868 + ... + 2578138.

It is an arithmetic number, because the mean of its divisors is an integer number (21366423360).

Almost surely, 2^320023311313 is an apocalyptic number.

It is an amenable number.

320023311313 is a deficient number, since it is larger than the sum of its proper divisors (21839462447).

320023311313 is a wasteful number, since it uses less digits than its factorization.

320023311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130128.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 320023311313 its reverse (313113320023), we get a palindrome (633136631336).

The spelling of 320023311313 in words is "three hundred twenty billion, twenty-three million, three hundred eleven thousand, three hundred thirteen".