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131222322001112 = 2347543877641681
BaseRepresentation
bin11101110101100010010011…
…111000111011010011011000
3122012121201202020111112201012
4131311202103320323103120
5114144421303413013422
61143030411424313052
736432333316245116
oct3565422370732330
9565551666445635
10131222322001112
11388a208a8a1121
1212873922172788
13582b29a623b74
1424592a1126ab6
1510285d8cba4e2
hex775893e3b4d8

131222322001112 has 32 divisors (see below), whose sum is σ = 251277640413120. Its totient is φ = 64214960709120.

The previous prime is 131222322001103. The next prime is 131222322001117. The reversal of 131222322001112 is 211100223222131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222322001117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204176912 + ... + 204818592.

It is an arithmetic number, because the mean of its divisors is an integer number (7852426262910).

Almost surely, 2131222322001112 is an apocalyptic number.

It is an amenable number.

131222322001112 is a deficient number, since it is larger than the sum of its proper divisors (120055318412008).

131222322001112 is a wasteful number, since it uses less digits than its factorization.

131222322001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185611 (or 1185607 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 131222322001112 its reverse (211100223222131), we get a palindrome (342322545223243).

The spelling of 131222322001112 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred twenty-two million, one thousand, one hundred twelve".

Divisors: 1 2 4 8 47 94 188 376 543877 641681 1087754 1283362 2175508 2566724 4351016 5133448 25562219 30159007 51124438 60318014 102248876 120636028 204497752 241272056 348995537237 697991074474 1395982148948 2791964297896 16402790250139 32805580500278 65611161000556 131222322001112