13231040324 has 12 divisors (see below), whose sum is σ = 23157739500. Its totient is φ = 6614543328.

The previous prime is 13231040323. The next prime is 13231040353. The reversal of 13231040324 is 42304013231.

It can be written as a sum of positive squares in 2 ways, for example, as 2901976900 + 10329063424 = 53870^2 + 101632^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13231040324.

It is not an unprimeable number, because it can be changed into a prime (13231040321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213299 + ... + 268250.

It is an arithmetic number, because the mean of its divisors is an integer number (1929811625).

Almost surely, 2^13231040324 is an apocalyptic number.

It is an amenable number.

13231040324 is a deficient number, since it is larger than the sum of its proper divisors (9926699176).

13231040324 is a wasteful number, since it uses less digits than its factorization.

13231040324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488422 (or 488420 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13231040324 its reverse (42304013231), we get a palindrome (55535053555).

The spelling of 13231040324 in words is "thirteen billion, two hundred thirty-one million, forty thousand, three hundred twenty-four".