12331311332 has 6 divisors (see below), whose sum is σ = 21579794838. Its totient is φ = 6165655664.

The previous prime is 12331311323. The next prime is 12331311359. The reversal of 12331311332 is 23311313321.

It can be written as a sum of positive squares in only one way, i.e., 11814385636 + 516925696 = 108694^2 + 22736^2 .

It is a super-2 number, since 2×12331311332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12331311298 and 12331311307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1541413913 + ... + 1541413920.

It is an arithmetic number, because the mean of its divisors is an integer number (3596632473).

Almost surely, 2^12331311332 is an apocalyptic number.

It is an amenable number.

12331311332 is a deficient number, since it is larger than the sum of its proper divisors (9248483506).

12331311332 is a wasteful number, since it uses less digits than its factorization.

12331311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082827837 (or 3082827835 counting only the distinct ones).

The product of its digits is 972, while the sum is 23.

Adding to 12331311332 its reverse (23311313321), we get a palindrome (35642624653).

The spelling of 12331311332 in words is "twelve billion, three hundred thirty-one million, three hundred eleven thousand, three hundred thirty-two".