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131311130230222 = 21601138412962871
BaseRepresentation
bin11101110110110101000001…
…010001011011110111001110
3122012221012222102212000111221
4131312311001101123313032
5114202400143314331342
61143135300033033554
736441626134606015
oct3566650121336716
9565835872760457
10131311130230222
1138926812817098
1212888b879b58ba
135836781573467
14245d6c7a37a7c
15102aa856d4a67
hex776d4145bdce

131311130230222 has 16 divisors (see below), whose sum is σ = 197104028720544. Its totient is φ = 65609793280000.

The previous prime is 131311130230169. The next prime is 131311130230229. The reversal of 131311130230222 is 222032031113131.

It is a super-2 number, since 2×1313111302302222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311130230229) 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, 42837447 + ... + 45800317.

It is an arithmetic number, because the mean of its divisors is an integer number (12319001795034).

Almost surely, 2131311130230222 is an apocalyptic number.

131311130230222 is a deficient number, since it is larger than the sum of its proper divisors (65792898490322).

131311130230222 is a wasteful number, since it uses less digits than its factorization.

131311130230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978315.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 131311130230222 its reverse (222032031113131), we get a palindrome (353343161343353).

The spelling of 131311130230222 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred thirty million, two hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 1601 3202 13841 27682 2962871 5925742 22159441 44318882 4743556471 9487112942 41009097511 82018195022 65655565115111 131311130230222