13310131120421 has 4 divisors (see below), whose sum is σ = 13535726563200. Its totient is φ = 13084535677644.

The previous prime is 13310131120411. The next prime is 13310131120453. The reversal of 13310131120421 is 12402113101331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13310131120421 - 2²⁶ = 13310064011557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310131120411) 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 3 ways as a sum of consecutive naturals, for example, 112797721301 + ... + 112797721418.

It is an arithmetic number, because the mean of its divisors is an integer number (3383931640800).

Almost surely, 2^{13310131120421} is an apocalyptic number.

It is an amenable number.

13310131120421 is a deficient number, since it is larger than the sum of its proper divisors (225595442779).

13310131120421 is an equidigital number, since it uses as much as digits as its factorization.

13310131120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225595442778.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 13310131120421 its reverse (12402113101331), we get a palindrome (25712244221752).

The spelling of 13310131120421 in words is "thirteen trillion, three hundred ten billion, one hundred thirty-one million, one hundred twenty thousand, four hundred twenty-one".