231031321030231 has 8 divisors (see below), whose sum is σ = 234510693732720. Its totient is φ = 227552864328768.

The previous prime is 231031321030229. The next prime is 231031321030379. The reversal of 231031321030231 is 132030123130132.

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 231031321030231 - 2¹ = 231031321030229 is a prime.

It is a super-2 number, since 2×231031321030231² (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 = 231031321030196 and 231031321030205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231031321030931) 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, 228492016 + ... + 229500901.

It is an arithmetic number, because the mean of its divisors is an integer number (29313836716590).

Almost surely, 2^{231031321030231} is an apocalyptic number.

231031321030231 is a deficient number, since it is larger than the sum of its proper divisors (3479372702489).

231031321030231 is an equidigital number, since it uses as much as digits as its factorization.

231031321030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458000513.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 231031321030231 its reverse (132030123130132), we get a palindrome (363061444160363).

The spelling of 231031321030231 in words is "two hundred thirty-one trillion, thirty-one billion, three hundred twenty-one million, thirty thousand, two hundred thirty-one".