320311101203231 has 8 divisors (see below), whose sum is σ = 344901285444240. Its totient is φ = 296359623046528.

The previous prime is 320311101203227. The next prime is 320311101203263. The reversal of 320311101203231 is 132302101113023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320311101203231 - 2² = 320311101203227 is a prime.

It is a super-2 number, since 2×320311101203231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320311101203197 and 320311101203206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320311101202231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159676520036 + ... + 159676522041.

It is an arithmetic number, because the mean of its divisors is an integer number (43112660680530).

Almost surely, 2^{320311101203231} is an apocalyptic number.

320311101203231 is a deficient number, since it is larger than the sum of its proper divisors (24590184241009).

320311101203231 is a wasteful number, since it uses less digits than its factorization.

320311101203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319353042153.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 320311101203231 its reverse (132302101113023), we get a palindrome (452613202316254).

The spelling of 320311101203231 in words is "three hundred twenty trillion, three hundred eleven billion, one hundred one million, two hundred three thousand, two hundred thirty-one".