13231261324 has 12 divisors (see below), whose sum is σ = 23167883200. Its totient is φ = 6611866128.

The previous prime is 13231261291. The next prime is 13231261327. The reversal of 13231261324 is 42316213231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13231261292 and 13231261301.

It is not an unprimeable number, because it can be changed into a prime (13231261327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933219 + ... + 947290.

Almost surely, 2^13231261324 is an apocalyptic number.

It is an amenable number.

13231261324 is a deficient number, since it is larger than the sum of its proper divisors (9936621876).

13231261324 is a wasteful number, since it uses less digits than its factorization.

13231261324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882272 (or 1882270 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 13231261324 its reverse (42316213231), we get a palindrome (55547474555).

The spelling of 13231261324 in words is "thirteen billion, two hundred thirty-one million, two hundred sixty-one thousand, three hundred twenty-four".