13431103011021 has 8 divisors (see below), whose sum is σ = 17908462833664. Its totient is φ = 8953905931200.

The previous prime is 13431103011019. The next prime is 13431103011047. The reversal of 13431103011021 is 12011030113431.

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

It is not a de Polignac number, because 13431103011021 - 2¹ = 13431103011019 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 (13431103011421) 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, 40493005 + ... + 40823346.

It is an arithmetic number, because the mean of its divisors is an integer number (2238557854208).

Almost surely, 2^{13431103011021} is an apocalyptic number.

It is an amenable number.

13431103011021 is a deficient number, since it is larger than the sum of its proper divisors (4477359822643).

13431103011021 is an equidigital number, since it uses as much as digits as its factorization.

13431103011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81371411.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13431103011021 its reverse (12011030113431), we get a palindrome (25442133124452).

The spelling of 13431103011021 in words is "thirteen trillion, four hundred thirty-one billion, one hundred three million, eleven thousand, twenty-one".