13202421434431 has 8 divisors (see below), whose sum is σ = 13628831619200. Its totient is φ = 12776044101120.

The previous prime is 13202421434383. The next prime is 13202421434443. The reversal of 13202421434431 is 13443412420231.

13202421434431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13202421434431 - 2¹⁷ = 13202421303359 is a prime.

It is a super-2 number, since 2×13202421434431² (a number of 27 digits) 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 (13202421434471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394826 + ... + 9004903.

It is an arithmetic number, because the mean of its divisors is an integer number (1703603952400).

Almost surely, 2^{13202421434431} is an apocalyptic number.

13202421434431 is a deficient number, since it is larger than the sum of its proper divisors (426410184769).

13202421434431 is a wasteful number, since it uses less digits than its factorization.

13202421434431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16425729.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 13202421434431 its reverse (13443412420231), we get a palindrome (26645833854662).

The spelling of 13202421434431 in words is "thirteen trillion, two hundred two billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty-one".