320042052231 has 16 divisors (see below), whose sum is σ = 469069273728. Its totient is φ = 192484229600.

The previous prime is 320042052227. The next prime is 320042052259. The reversal of 320042052231 is 132250240023.

It is a cyclic number.

It is not a de Polignac number, because 320042052231 - 2² = 320042052227 is a prime.

It is a super-2 number, since 2×320042052231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320042052271) 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, 37011876 + ... + 37020521.

It is an arithmetic number, because the mean of its divisors is an integer number (29316829608).

Almost surely, 2^320042052231 is an apocalyptic number.

320042052231 is a deficient number, since it is larger than the sum of its proper divisors (149027221497).

320042052231 is a wasteful number, since it uses less digits than its factorization.

320042052231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74032542.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 320042052231 its reverse (132250240023), we get a palindrome (452292292254).

The spelling of 320042052231 in words is "three hundred twenty billion, forty-two million, fifty-two thousand, two hundred thirty-one".