13242430431 has 12 divisors (see below), whose sum is σ = 19140323800. Its totient is φ = 8822578320.

The previous prime is 13242430393. The next prime is 13242430441. The reversal of 13242430431 is 13403424231.

13242430431 is a `hidden beast` number, since 1 + 324 + 2 + 4 + 304 + 31 = 666.

It is not a de Polignac number, because 13242430431 - 2⁶ = 13242430367 is a prime.

It is a super-2 number, since 2×13242430431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13242430395 and 13242430404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242430441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461005 + ... + 488886.

Almost surely, 2^13242430431 is an apocalyptic number.

13242430431 is a deficient number, since it is larger than the sum of its proper divisors (5897893369).

13242430431 is a wasteful number, since it uses less digits than its factorization.

13242430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951446 (or 951443 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13242430431 its reverse (13403424231), we get a palindrome (26645854662).

The spelling of 13242430431 in words is "thirteen billion, two hundred forty-two million, four hundred thirty thousand, four hundred thirty-one".