320313232133 has 4 divisors (see below), whose sum is σ = 322434511968. Its totient is φ = 318191952300.

The previous prime is 320313232081. The next prime is 320313232153. The reversal of 320313232133 is 331232313023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320313232133 - 2⁸ = 320313231877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320313232153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060639691 + ... + 1060639992.

It is an arithmetic number, because the mean of its divisors is an integer number (80608627992).

Almost surely, 2^320313232133 is an apocalyptic number.

It is an amenable number.

320313232133 is a deficient number, since it is larger than the sum of its proper divisors (2121279835).

320313232133 is a wasteful number, since it uses less digits than its factorization.

320313232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121279834.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 320313232133 its reverse (331232313023), we get a palindrome (651545545156).

The spelling of 320313232133 in words is "three hundred twenty billion, three hundred thirteen million, two hundred thirty-two thousand, one hundred thirty-three".