14331304817021 has 4 divisors (see below), whose sum is σ = 15174322747452. Its totient is φ = 13488286886592.

The previous prime is 14331304817009. The next prime is 14331304817041. The reversal of 14331304817021 is 12071840313341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12189943788100 + 2141361028921 = 3491410^2 + 1463339^2 .

It is a cyclic number.

It is not a de Polignac number, because 14331304817021 - 2³⁰ = 14330231075197 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 (14331304817041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421508965190 + ... + 421508965223.

It is an arithmetic number, because the mean of its divisors is an integer number (3793580686863).

Almost surely, 2^{14331304817021} is an apocalyptic number.

It is an amenable number.

14331304817021 is a deficient number, since it is larger than the sum of its proper divisors (843017930431).

14331304817021 is an equidigital number, since it uses as much as digits as its factorization.

14331304817021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843017930430.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 14331304817021 in words is "fourteen trillion, three hundred thirty-one billion, three hundred four million, eight hundred seventeen thousand, twenty-one".