13242424231 has 4 divisors (see below), whose sum is σ = 13245870352. Its totient is φ = 13238978112.

The previous prime is 13242424219. The next prime is 13242424259.

13242424231 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13242424231 - 2¹¹ = 13242422183 is a prime.

It is a super-2 number, since 2×13242424231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13242424231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242424331) 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, 1717290 + ... + 1724983.

It is an arithmetic number, because the mean of its divisors is an integer number (3311467588).

Almost surely, 2^13242424231 is an apocalyptic number.

13242424231 is a deficient number, since it is larger than the sum of its proper divisors (3446121).

13242424231 is an equidigital number, since it uses as much as digits as its factorization.

13242424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446120.

The product of its digits is 9216, while the sum is 28.

The spelling of 13242424231 in words is "thirteen billion, two hundred forty-two million, four hundred twenty-four thousand, two hundred thirty-one".