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131342441011340 = 22513647780777797
BaseRepresentation
bin11101110111010010001011…
…100010100101100010001100
3122020001012210112121111112212
4131313102023202211202030
5114203403304344330330
61143201515011445552
736444115062060116
oct3567221342454214
9566035715544485
10131342441011340
113893901a9513a9
12128930658b68b8
135839701379790
1424610181ac3b6
15102b7b942d295
hex77748b8a588c

131342441011340 has 48 divisors (see below), whose sum is σ = 297495079705152. Its totient is φ = 48420715796736.

The previous prime is 131342441011303. The next prime is 131342441011361. The reversal of 131342441011340 is 43110144243131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131342441011297 and 131342441011306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390220679 + ... + 390557118.

It is an arithmetic number, because the mean of its divisors is an integer number (6197814160524).

Almost surely, 2131342441011340 is an apocalyptic number.

131342441011340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131342441011340 is an abundant number, since it is smaller than the sum of its proper divisors (166152638693812).

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

131342441011340 is a wasteful number, since it uses less digits than its factorization.

131342441011340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780778466 (or 780778464 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 131342441011340 its reverse (43110144243131), we get a palindrome (174452585254471).

The spelling of 131342441011340 in words is "one hundred thirty-one trillion, three hundred forty-two billion, four hundred forty-one million, eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 647 1294 2588 3235 6470 8411 12940 16822 33644 42055 84110 168220 780777797 1561555594 3123111188 3903888985 7807777970 10150111361 15615555940 20300222722 40600445444 50750556805 101501113610 203002227220 505163234659 1010326469318 2020652938636 2525816173295 5051632346590 6567122050567 10103264693180 13134244101134 26268488202268 32835610252835 65671220505670 131342441011340