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321134034221 = 71113320813221
BaseRepresentation
bin1001010110001010001…
…01000111110100101101
31010200220101100012111022
410223011011013310231
520230140303043341
6403305452503525
732126000152430
oct4530505076455
91120811305438
10321134034221
11114212876a90
12522a317aba5
132438a4424c0
1411785ca5817
158547c84e4b
hex4ac5147d2d

321134034221 has 16 divisors (see below), whose sum is σ = 431172970368. Its totient is φ = 230985518400.

The previous prime is 321134034163. The next prime is 321134034283. The reversal of 321134034221 is 122430431123.

It is not a de Polignac number, because 321134034221 - 210 = 321134033197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321134034721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160405610 + ... + 160407611.

It is an arithmetic number, because the mean of its divisors is an integer number (26948310648).

Almost surely, 2321134034221 is an apocalyptic number.

It is an amenable number.

321134034221 is a deficient number, since it is larger than the sum of its proper divisors (110038936147).

321134034221 is a wasteful number, since it uses less digits than its factorization.

321134034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320813252.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 321134034221 its reverse (122430431123), we get a palindrome (443564465344).

The spelling of 321134034221 in words is "three hundred twenty-one billion, one hundred thirty-four million, thirty-four thousand, two hundred twenty-one".

Divisors: 1 7 11 13 77 91 143 1001 320813221 2245692547 3528945431 4170571873 24702618017 29194003111 45876290603 321134034221