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131355523203112 = 231317144161515369
BaseRepresentation
bin11101110111011110010111…
…010011001100000000101000
3122020002110120021001200221001
4131313132113103030000220
5114204112102414444422
61143211521100324344
736445060213626655
oct3567362723140050
9566073507050831
10131355523203112
113894362346473a
12128956b6b436b4
13583aa07798360
1424618d9810c2c
15102bcd2bb8227
hex7777974cc028

131355523203112 has 64 divisors (see below), whose sum is σ = 280841790373200. Its totient is φ = 57058906275840.

The previous prime is 131355523203053. The next prime is 131355523203173. The reversal of 131355523203112 is 211302325553131.

It can be written as a sum of positive squares in 8 ways, for example, as 63961701731236 + 67393821471876 = 7997606^2 + 8209374^2 .

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, 254618964 + ... + 255134332.

Almost surely, 2131355523203112 is an apocalyptic number.

It is an amenable number.

131355523203112 is an abundant number, since it is smaller than the sum of its proper divisors (149486267170088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131355523203112 is a wasteful number, since it uses less digits than its factorization.

131355523203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659566 (or 659562 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 131355523203112 its reverse (211302325553131), we get a palindrome (342657848756243).

The spelling of 131355523203112 in words is "one hundred thirty-one trillion, three hundred fifty-five billion, five hundred twenty-three million, two hundred three thousand, one hundred twelve".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 442 884 1768 144161 288322 515369 576644 1030738 1153288 1874093 2061476 2450737 3748186 4122952 4901474 6699797 7496372 8761273 9802948 13399594 14992744 17522546 19605896 26799188 31859581 35045092 53598376 63719162 70090184 113896549 127438324 227793098 254876648 455586196 911172392 74296110409 148592220818 297184441636 594368883272 965849435317 1263033876953 1931698870634 2526067753906 3863397741268 5052135507812 7726795482536 10104271015624 16419440400389 32838880800778 65677761601556 131355523203112