13000431424 has 28 divisors (see below), whose sum is σ = 25956020224. Its totient is φ = 6460331904.

The previous prime is 13000431401. The next prime is 13000431449. The reversal of 13000431424 is 42413400031.

It is a super-2 number, since 2×13000431424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13000431395 and 13000431404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612672 + ... + 633535.

Almost surely, 2^13000431424 is an apocalyptic number.

It is an amenable number.

13000431424 is a deficient number, since it is larger than the sum of its proper divisors (12955588800).

13000431424 is a wasteful number, since it uses less digits than its factorization.

13000431424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246382 (or 1246372 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13000431424 its reverse (42413400031), we get a palindrome (55413831455).

The spelling of 13000431424 in words is "thirteen billion, four hundred thirty-one thousand, four hundred twenty-four".