320111053333 has 4 divisors (see below), whose sum is σ = 320123702860. Its totient is φ = 320098403808.

The previous prime is 320111053331. The next prime is 320111053349. The reversal of 320111053333 is 333350111023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333350111023 = 2399 ⋅138953777.

It can be written as a sum of positive squares in 2 ways, for example, as 126094589604 + 194016463729 = 355098^2 + 440473^2 .

It is a cyclic number.

It is not a de Polignac number, because 320111053333 - 2¹ = 320111053331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320111053298 and 320111053307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320111053331) 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, 6286728 + ... + 6337441.

It is an arithmetic number, because the mean of its divisors is an integer number (80030925715).

Almost surely, 2^320111053333 is an apocalyptic number.

It is an amenable number.

320111053333 is a deficient number, since it is larger than the sum of its proper divisors (12649527).

320111053333 is a wasteful number, since it uses less digits than its factorization.

320111053333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649526.

The product of its (nonzero) digits is 2430, while the sum is 25.

Adding to 320111053333 its reverse (333350111023), we get a palindrome (653461164356).

The spelling of 320111053333 in words is "three hundred twenty billion, one hundred eleven million, fifty-three thousand, three hundred thirty-three".