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131232213021332 = 22709757180133941
BaseRepresentation
bin11101110101101011100001…
…011100001011001010010100
3122012122200021120012102200102
4131311223201130023022110
5114200102033013140312
61143035125115233232
736433133401444553
oct3565534134131224
9565580246172612
10131232213021332
11388a62a6040aa5
1212875822748818
13582c1b5875457
14245995c9dbd9a
1510289b72ecec2
hex775ae170b294

131232213021332 has 48 divisors (see below), whose sum is σ = 230418746733840. Its totient is φ = 65398741632000.

The previous prime is 131232213021319. The next prime is 131232213021391. The reversal of 131232213021332 is 233120312232131.

It can be written as a sum of positive squares in 8 ways, for example, as 16075577038096 + 115156635983236 = 4009436^2 + 10731106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131232213021295 and 131232213021304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3866463482 + ... + 3866497422.

It is an arithmetic number, because the mean of its divisors is an integer number (4800390556955).

Almost surely, 2131232213021332 is an apocalyptic number.

It is an amenable number.

131232213021332 is a deficient number, since it is larger than the sum of its proper divisors (99186533712508).

131232213021332 is a wasteful number, since it uses less digits than its factorization.

131232213021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37212 (or 37210 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131232213021332 its reverse (233120312232131), we get a palindrome (364352525253463).

The spelling of 131232213021332 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, two hundred thirteen million, twenty-one thousand, three hundred thirty-two".

Divisors: 1 2 4 709 757 1418 1514 1801 2836 3028 3602 7204 33941 67882 135764 536713 1073426 1276909 1363357 2146852 2553818 2726714 5107636 5453428 24064169 25693337 48128338 51386674 61127741 96256676 102773348 122255482 244510964 966620113 1933240226 3866480452 18216575933 36433151866 43339568369 46273699937 72866303732 86679136738 92547399874 173358273476 185094799748 32808053255333 65616106510666 131232213021332