320143330331133 has 16 divisors (see below), whose sum is σ = 436789327275840. Its totient is φ = 208463215330944.

The previous prime is 320143330331119. The next prime is 320143330331137. The reversal of 320143330331133 is 331133033341023.

It is a de Polignac number, because none of the positive numbers 2^k-320143330331133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320143330331094 and 320143330331103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320143330331137) 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, 884416 + ... + 25319337.

It is an arithmetic number, because the mean of its divisors is an integer number (27299332954740).

Almost surely, 2^{320143330331133} is an apocalyptic number.

It is an amenable number.

320143330331133 is a deficient number, since it is larger than the sum of its proper divisors (116645996944707).

320143330331133 is a wasteful number, since it uses less digits than its factorization.

320143330331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26298508.

The product of its (nonzero) digits is 52488, while the sum is 33.

Adding to 320143330331133 its reverse (331133033341023), we get a palindrome (651276363672156).

The spelling of 320143330331133 in words is "three hundred twenty trillion, one hundred forty-three billion, three hundred thirty million, three hundred thirty-one thousand, one hundred thirty-three".