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131220300102322 = 21373531356674801
BaseRepresentation
bin11101110101100000011011…
…010111111111101010110010
3122012121112112022221102222211
4131311200123113333222302
5114144403133311233242
61143025435040122334
736432232235345344
oct3565403327775262
9565545468842884
10131220300102322
11388a1242557692
12128734590063aa
13582b037780052
14245914c7ab294
15102851b52e317
hex77581b5ffab2

131220300102322 has 16 divisors (see below), whose sum is σ = 198828832281912. Its totient is φ = 64946736025600.

The previous prime is 131220300102293. The next prime is 131220300102323. The reversal of 131220300102322 is 223201003022131.

It can be written as a sum of positive squares in 4 ways, for example, as 80087088841321 + 51133211261001 = 8949139^2 + 7150749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131220300102293 and 131220300102302.

It is not an unprimeable number, because it can be changed into a prime (131220300102323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678240679 + ... + 678434122.

Almost surely, 2131220300102322 is an apocalyptic number.

131220300102322 is a deficient number, since it is larger than the sum of its proper divisors (67608532179590).

131220300102322 is a wasteful number, since it uses less digits than its factorization.

131220300102322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356675293.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 131220300102322 its reverse (223201003022131), we get a palindrome (354421303124453).

The spelling of 131220300102322 in words is "one hundred thirty-one trillion, two hundred twenty billion, three hundred million, one hundred two thousand, three hundred twenty-two".

Divisors: 1 2 137 274 353 706 48361 96722 1356674801 2713349602 185864447737 371728895474 478906204753 957812409506 65610150051161 131220300102322