320112203231 has 4 divisors (see below), whose sum is σ = 320311403472. Its totient is φ = 319913002992.

The previous prime is 320112203221. The next prime is 320112203269. The reversal of 320112203231 is 132302211023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320112203231 - 2²⁶ = 320045094367 is a prime.

It is a super-2 number, since 2×320112203231² (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 (320112203221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99597710 + ... + 99600923.

It is an arithmetic number, because the mean of its divisors is an integer number (80077850868).

Almost surely, 2^320112203231 is an apocalyptic number.

320112203231 is a deficient number, since it is larger than the sum of its proper divisors (199200241).

320112203231 is a wasteful number, since it uses less digits than its factorization.

320112203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199200240.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 320112203231 its reverse (132302211023), we get a palindrome (452414414254).

The spelling of 320112203231 in words is "three hundred twenty billion, one hundred twelve million, two hundred three thousand, two hundred thirty-one".