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131025543135 = 3523715349073
BaseRepresentation
bin111101000000110111…
…0110001111111011111
3110112012101200020022220
41322001232301333133
54121320014340020
6140105312040423
712315635512014
oct1720156617737
9415171606286
10131025543135
1150627559943
1221488233113
13c4814b61a6
1464ad78570b
15361cddd240
hex1e81bb1fdf

131025543135 has 32 divisors (see below), whose sum is σ = 221836796928. Its totient is φ = 65900567040.

The previous prime is 131025543101. The next prime is 131025543139. The reversal of 131025543135 is 531345520131.

It is not a de Polignac number, because 131025543135 - 212 = 131025539039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131025543096 and 131025543105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131025543139) 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, 2650042 + ... + 2699031.

It is an arithmetic number, because the mean of its divisors is an integer number (6932399904).

Almost surely, 2131025543135 is an apocalyptic number.

131025543135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131025543135 is a deficient number, since it is larger than the sum of its proper divisors (90811253793).

131025543135 is a wasteful number, since it uses less digits than its factorization.

131025543135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349175.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 131025543135 in words is "one hundred thirty-one billion, twenty-five million, five hundred forty-three thousand, one hundred thirty-five".

Divisors: 1 3 5 15 23 69 71 115 213 345 355 1065 1633 4899 8165 24495 5349073 16047219 26745365 80236095 123028679 369086037 379784183 615143395 1139352549 1845430185 1898920915 5696762745 8735036209 26205108627 43675181045 131025543135