320133453133 has 4 divisors (see below), whose sum is σ = 344759103388. Its totient is φ = 295507802880.

The previous prime is 320133453131. The next prime is 320133453169. The reversal of 320133453133 is 331354331023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331354331023 = 1447 ⋅228994009.

It can be written as a sum of positive squares in 2 ways, for example, as 213751802889 + 106381650244 = 462333^2 + 326162^2 .

It is a cyclic number.

It is not a de Polignac number, because 320133453133 - 2¹ = 320133453131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320133453095 and 320133453104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320133453131) 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, 12312825108 + ... + 12312825133.

It is an arithmetic number, because the mean of its divisors is an integer number (86189775847).

Almost surely, 2^320133453133 is an apocalyptic number.

It is an amenable number.

320133453133 is a deficient number, since it is larger than the sum of its proper divisors (24625650255).

320133453133 is a wasteful number, since it uses less digits than its factorization.

320133453133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24625650254.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 320133453133 its reverse (331354331023), we get a palindrome (651487784156).

The spelling of 320133453133 in words is "three hundred twenty billion, one hundred thirty-three million, four hundred fifty-three thousand, one hundred thirty-three".