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221001310130323 = 31140292164923473
BaseRepresentation
bin110010001111111111100000…
…100101011101000010010011
31001222111112000021202111122111
4302033333200211131002103
5212431341140343132243
62102010333354450151
764356550326120412
oct6217774045350223
91058445007674574
10221001310130323
1164466147092608
122095364b733957
1396414460b2398
143c807402c5479
151a83b406cd39d
hexc8ffe095d093

221001310130323 has 16 divisors (see below), whose sum is σ = 228166904416000. Its totient is φ = 213838001879040.

The previous prime is 221001310130311. The next prime is 221001310130329. The reversal of 221001310130323 is 323031013100122.

It is a cyclic number.

It is not a de Polignac number, because 221001310130323 - 229 = 221000773259411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221001310130294 and 221001310130303.

It is not an unprimeable number, because it can be changed into a prime (221001310130329) 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, 9415116715 + ... + 9415140187.

It is an arithmetic number, because the mean of its divisors is an integer number (14260431526000).

Almost surely, 2221001310130323 is an apocalyptic number.

221001310130323 is a deficient number, since it is larger than the sum of its proper divisors (7165594285677).

221001310130323 is a wasteful number, since it uses less digits than its factorization.

221001310130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59182.

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

Adding to 221001310130323 its reverse (323031013100122), we get a palindrome (544032323230445).

The spelling of 221001310130323 in words is "two hundred twenty-one trillion, one billion, three hundred ten million, one hundred thirty thousand, three hundred twenty-three".

Divisors: 1 31 14029 21649 23473 434899 671119 727663 303713821 329302717 508166977 9415128451 10208384227 15753176287 7129074520333 221001310130323