13201345331421 has 8 divisors (see below), whose sum is σ = 18955777911840. Its totient is φ = 8123904819312.

The previous prime is 13201345331407. The next prime is 13201345331429. The reversal of 13201345331421 is 12413354310231.

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

It is not a de Polignac number, because 13201345331421 - 2⁶ = 13201345331357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201345331429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169248017031 + ... + 169248017108.

It is an arithmetic number, because the mean of its divisors is an integer number (2369472238980).

Almost surely, 2^{13201345331421} is an apocalyptic number.

It is an amenable number.

13201345331421 is a deficient number, since it is larger than the sum of its proper divisors (5754432580419).

13201345331421 is a wasteful number, since it uses less digits than its factorization.

13201345331421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338496034155.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 13201345331421 its reverse (12413354310231), we get a palindrome (25614699641652).

The spelling of 13201345331421 in words is "thirteen trillion, two hundred one billion, three hundred forty-five million, three hundred thirty-one thousand, four hundred twenty-one".