13202431 has 6 divisors (see below), whose sum is σ = 14511896. Its totient is φ = 12002100.

The previous prime is 13202411. The next prime is 13202461. The reversal of 13202431 is 13420231.

It is a happy number.

It is not a de Polignac number, because 13202431 - 2⁹ = 13201919 is a prime.

It is a super-2 number, since 2×13202431² = 348608368619522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13202411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54435 + ... + 54676.

Almost surely, 2^13202431 is an apocalyptic number.

13202431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13202431 is a deficient number, since it is larger than the sum of its proper divisors (1309465).

13202431 is a wasteful number, since it uses less digits than its factorization.

13202431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109133 (or 109122 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13202431 is about 3633.5149648790. The cubic root of 13202431 is about 236.3476574324.

Adding to 13202431 its reverse (13420231), we get a palindrome (26622662).

The spelling of 13202431 in words is "thirteen million, two hundred two thousand, four hundred thirty-one".