12331314321 has 16 divisors (see below), whose sum is σ = 16661332800. Its totient is φ = 8111643200.

The previous prime is 12331314319. The next prime is 12331314329. The reversal of 12331314321 is 12341313321.

It is a cyclic number.

It is not a de Polignac number, because 12331314321 - 2¹ = 12331314319 is a prime.

It is a super-2 number, since 2×12331314321² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12331314291 and 12331314300.

It is not an unprimeable number, because it can be changed into a prime (12331314329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19330 + ... + 158228.

It is an arithmetic number, because the mean of its divisors is an integer number (1041333300).

Almost surely, 2^12331314321 is an apocalyptic number.

It is an amenable number.

12331314321 is a deficient number, since it is larger than the sum of its proper divisors (4330018479).

12331314321 is a wasteful number, since it uses less digits than its factorization.

12331314321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139296.

The product of its digits is 1296, while the sum is 24.

Adding to 12331314321 its reverse (12341313321), we get a palindrome (24672627642).

The spelling of 12331314321 in words is "twelve billion, three hundred thirty-one million, three hundred fourteen thousand, three hundred twenty-one".