231322321231331 has 8 divisors (see below), whose sum is σ = 260491998102528. Its totient is φ = 203509373517000.

The previous prime is 231322321231241. The next prime is 231322321231357. The reversal of 231322321231331 is 133132123223132.

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 231322321231331 - 2¹⁰ = 231322321230307 is a prime.

It is a super-2 number, since 2×231322321231331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231322321231361) 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, 339182288855 + ... + 339182289536.

It is an arithmetic number, because the mean of its divisors is an integer number (32561499762816).

Almost surely, 2^{231322321231331} is an apocalyptic number.

231322321231331 is a deficient number, since it is larger than the sum of its proper divisors (29169676871197).

231322321231331 is a wasteful number, since it uses less digits than its factorization.

231322321231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678364578433.

The product of its digits is 23328, while the sum is 32.

Adding to 231322321231331 its reverse (133132123223132), we get a palindrome (364454444454463).

The spelling of 231322321231331 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred twenty-one million, two hundred thirty-one thousand, three hundred thirty-one".