12320322331 has 8 divisors (see below), whose sum is σ = 13112641584. Its totient is φ = 11535513600.

The previous prime is 12320322319. The next prime is 12320322337. The reversal of 12320322331 is 13322302321.

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 12320322331 - 2¹¹ = 12320320283 is a prime.

It is a super-2 number, since 2×12320322331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320322337) 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 7 ways as a sum of consecutive naturals, for example, 1874245 + ... + 1880806.

It is an arithmetic number, because the mean of its divisors is an integer number (1639080198).

Almost surely, 2^12320322331 is an apocalyptic number.

12320322331 is a deficient number, since it is larger than the sum of its proper divisors (792319253).

12320322331 is a wasteful number, since it uses less digits than its factorization.

12320322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3755261.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12320322331 its reverse (13322302321), we get a palindrome (25642624652).

The spelling of 12320322331 in words is "twelve billion, three hundred twenty million, three hundred twenty-two thousand, three hundred thirty-one".