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14231033331221 = 72033004761603
BaseRepresentation
bin1100111100010110101110…
…1011111011111000010101
31212101110210011220012120202
43033011223223323320111
53331130124013044341
650133351345110245
72666105162305640
oct317055353737025
955343704805522
1014231033331221
114597390349963
12171a0a0328385
137c2c997456b5
14372addd00a57
1519a2ada6379b
hexcf16bafbe15

14231033331221 has 4 divisors (see below), whose sum is σ = 16264038092832. Its totient is φ = 12198028569612.

The previous prime is 14231033331217. The next prime is 14231033331227. The reversal of 14231033331221 is 12213333013241.

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 14231033331221 - 22 = 14231033331217 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 (14231033331227) 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, 1016502380795 + ... + 1016502380808.

It is an arithmetic number, because the mean of its divisors is an integer number (4066009523208).

Almost surely, 214231033331221 is an apocalyptic number.

It is an amenable number.

14231033331221 is a deficient number, since it is larger than the sum of its proper divisors (2033004761611).

14231033331221 is an equidigital number, since it uses as much as digits as its factorization.

14231033331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033004761610.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 14231033331221 its reverse (12213333013241), we get a palindrome (26444366344462).

The spelling of 14231033331221 in words is "fourteen trillion, two hundred thirty-one billion, thirty-three million, three hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 7 2033004761603 14231033331221