323120031231 has 8 divisors (see below), whose sum is σ = 430912499200. Its totient is φ = 215370458712.

The previous prime is 323120031197. The next prime is 323120031251. The reversal of 323120031231 is 132130021323.

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

It is not a de Polignac number, because 323120031231 - 2⁶ = 323120031167 is a prime.

It is a super-2 number, since 2×323120031231² (a number of 24 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 = 323120031198 and 323120031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323120031251) 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, 10706281 + ... + 10736418.

It is an arithmetic number, because the mean of its divisors is an integer number (53864062400).

Almost surely, 2^323120031231 is an apocalyptic number.

323120031231 is a deficient number, since it is larger than the sum of its proper divisors (107792467969).

323120031231 is a wasteful number, since it uses less digits than its factorization.

323120031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21447725.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 323120031231 its reverse (132130021323), we get a palindrome (455250052554).

The spelling of 323120031231 in words is "three hundred twenty-three billion, one hundred twenty million, thirty-one thousand, two hundred thirty-one".