13231124342 has 4 divisors (see below), whose sum is σ = 19846686516. Its totient is φ = 6615562170.

The previous prime is 13231124341. The next prime is 13231124351. The reversal of 13231124342 is 24342113231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24342113231 = 1759 ⋅13838609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231124341) 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 as a sum of consecutive naturals, namely, 3307781084 + ... + 3307781087.

It is an arithmetic number, because the mean of its divisors is an integer number (4961671629).

Almost surely, 2^13231124342 is an apocalyptic number.

13231124342 is a deficient number, since it is larger than the sum of its proper divisors (6615562174).

13231124342 is an equidigital number, since it uses as much as digits as its factorization.

13231124342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615562173.

The product of its digits is 3456, while the sum is 26.

Adding to 13231124342 its reverse (24342113231), we get a palindrome (37573237573).

The spelling of 13231124342 in words is "thirteen billion, two hundred thirty-one million, one hundred twenty-four thousand, three hundred forty-two".