320253231133 has 4 divisors (see below), whose sum is σ = 349367161248. Its totient is φ = 291139301020.

The previous prime is 320253231083. The next prime is 320253231169. The reversal of 320253231133 is 331132352023.

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 320253231133 - 2¹³ = 320253222941 is a prime.

It is a super-2 number, since 2×320253231133² (a number of 24 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 (320253231533) 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, 14556965041 + ... + 14556965062.

It is an arithmetic number, because the mean of its divisors is an integer number (87341790312).

Almost surely, 2^320253231133 is an apocalyptic number.

It is an amenable number.

320253231133 is a deficient number, since it is larger than the sum of its proper divisors (29113930115).

320253231133 is a wasteful number, since it uses less digits than its factorization.

320253231133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29113930114.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 320253231133 its reverse (331132352023), we get a palindrome (651385583156).

The spelling of 320253231133 in words is "three hundred twenty billion, two hundred fifty-three million, two hundred thirty-one thousand, one hundred thirty-three".