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131341036605 = 3571557322129
BaseRepresentation
bin111101001010010001…
…0010010110000111101
3110120000101022222000020
41322110202102300331
54122441301132410
6140200502122353
712326516251032
oct1722442226075
9416011288006
10131341036605
1150779655849
1221555a203b9
13c50197a10c
1464dd62d389
15363a95ca70
hex1e94892c3d

131341036605 has 32 divisors (see below), whose sum is σ = 213153327360. Its totient is φ = 69046440960.

The previous prime is 131341036601. The next prime is 131341036609. The reversal of 131341036605 is 506630143131.

It is an interprime number because it is at equal distance from previous prime (131341036601) and next prime (131341036609).

It is not a de Polignac number, because 131341036605 - 22 = 131341036601 is a prime.

It is a super-3 number, since 3×1313410366053 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131341036601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5924181 + ... + 5946309.

It is an arithmetic number, because the mean of its divisors is an integer number (6661041480).

Almost surely, 2131341036605 is an apocalyptic number.

131341036605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131341036605 is a deficient number, since it is larger than the sum of its proper divisors (81812290755).

131341036605 is a wasteful number, since it uses less digits than its factorization.

131341036605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27781.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 131341036605 its reverse (506630143131), we get a palindrome (637971179736).

The spelling of 131341036605 in words is "one hundred thirty-one billion, three hundred forty-one million, thirty-six thousand, six hundred five".

Divisors: 1 3 5 15 71 213 355 1065 5573 16719 22129 27865 66387 83595 110645 331935 395683 1187049 1571159 1978415 4713477 5935245 7855795 23567385 123324917 369974751 616624585 1849873755 8756069107 26268207321 43780345535 131341036605