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1012204314231 = 311297187915299
BaseRepresentation
bin11101011101011000001…
…01000001111001110111
310120202200020222211021020
432232230011001321313
5113040443301023411
62053000015152223
7133062236466045
oct16565405017167
93522606884236
101012204314231
11360300a46900
12144209215673
13745b1868256
1436dc324b395
151b4e2de4606
hexebac141e77

1012204314231 has 48 divisors (see below), whose sum is σ = 1499639904000. Its totient is φ = 606770081280.

The previous prime is 1012204314197. The next prime is 1012204314241. The reversal of 1012204314231 is 1324134022101.

It is not a de Polignac number, because 1012204314231 - 27 = 1012204314103 is a prime.

It is a super-2 number, since 2×10122043142312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012204314241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66153820 + ... + 66169118.

It is an arithmetic number, because the mean of its divisors is an integer number (31242498000).

Almost surely, 21012204314231 is an apocalyptic number.

1012204314231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012204314231 is a deficient number, since it is larger than the sum of its proper divisors (487435589769).

1012204314231 is a wasteful number, since it uses less digits than its factorization.

1012204314231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17300 (or 17289 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1012204314231 its reverse (1324134022101), we get a palindrome (2336338336332).

The spelling of 1012204314231 in words is "one trillion, twelve billion, two hundred four million, three hundred fourteen thousand, two hundred thirty-one".

Divisors: 1 3 11 33 97 121 291 363 1067 1879 3201 5637 11737 15299 20669 35211 45897 62007 168289 182263 227359 504867 546789 682077 1484003 1851179 2004893 4452009 5553537 6014679 16324033 22053823 28746821 48972099 66161469 86240463 179564363 316215031 538693089 948645093 2788441637 3478365341 8365324911 10435096023 30672858007 92018574021 337401438077 1012204314231