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13310032231021 = 171996293427939
BaseRepresentation
bin1100000110101111101110…
…1111100011101001101101
31202010102112000211200210111
43001223323233203221231
53221032421222343041
644150313331140021
72542422002156011
oct301537357435155
952112460750714
1013310032231021
114271831225709
1215ab6a6a44611
1375719107aaa6
143402cd6ba541
1518135796d981
hexc1afbbe3a6d

13310032231021 has 16 divisors (see below), whose sum is σ = 14834899569600. Its totient is φ = 11867617698048.

The previous prime is 13310032231003. The next prime is 13310032231033. The reversal of 13310032231021 is 12013223001331.

It is not a de Polignac number, because 13310032231021 - 211 = 13310032228973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310032230983 and 13310032231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310032231091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30888670 + ... + 31316608.

It is an arithmetic number, because the mean of its divisors is an integer number (927181223100).

Almost surely, 213310032231021 is an apocalyptic number.

It is an amenable number.

13310032231021 is a deficient number, since it is larger than the sum of its proper divisors (1524867338579).

13310032231021 is a wasteful number, since it uses less digits than its factorization.

13310032231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524268.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13310032231021 its reverse (12013223001331), we get a palindrome (25323255232352).

The spelling of 13310032231021 in words is "thirteen trillion, three hundred ten billion, thirty-two million, two hundred thirty-one thousand, twenty-one".

Divisors: 1 17 19 323 96293 427939 1636981 1829567 7274963 8130841 31102639 138224297 41207530127 700528012159 782943072413 13310032231021