13443031424 has 32 divisors (see below), whose sum is σ = 26786956440. Its totient is φ = 6720030720.

The previous prime is 13443031423. The next prime is 13443031457. The reversal of 13443031424 is 42413034431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443031423) 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, 780344 + ... + 797384.

Almost surely, 2^13443031424 is an apocalyptic number.

It is an amenable number.

13443031424 is a deficient number, since it is larger than the sum of its proper divisors (13343925016).

13443031424 is an equidigital number, since it uses as much as digits as its factorization.

13443031424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23218 (or 23206 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13443031424 its reverse (42413034431), we get a palindrome (55856065855).

The spelling of 13443031424 in words is "thirteen billion, four hundred forty-three million, thirty-one thousand, four hundred twenty-four".