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131107088843 = 1915749988079
BaseRepresentation
bin111101000011010010…
…1110110100111001011
3110112102002010012000022
41322012211312213023
54122001403320333
6140121343531055
712320645603423
oct1720645664713
9415362105008
10131107088843
1150669596395
12214ab5b9a8b
13c495367ca3
1464ba531483
153625149c98
hex1e869769cb

131107088843 has 16 divisors (see below), whose sum is σ = 139166400000. Its totient is φ = 123166865952.

The previous prime is 131107088809. The next prime is 131107088851. The reversal of 131107088843 is 348880701131.

It is a cyclic number.

It is not a de Polignac number, because 131107088843 - 212 = 131107084747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131107088794 and 131107088803.

It is not an unprimeable number, because it can be changed into a prime (131107088803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444478 + ... + 1532556.

It is an arithmetic number, because the mean of its divisors is an integer number (8697900000).

Almost surely, 2131107088843 is an apocalyptic number.

131107088843 is a deficient number, since it is larger than the sum of its proper divisors (8059311157).

131107088843 is a wasteful number, since it uses less digits than its factorization.

131107088843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88754.

The product of its (nonzero) digits is 129024, while the sum is 44.

Adding to 131107088843 its reverse (348880701131), we get a palindrome (479987789974).

The spelling of 131107088843 in words is "one hundred thirty-one billion, one hundred seven million, eighty-eight thousand, eight hundred forty-three".

Divisors: 1 19 157 499 2983 9481 78343 88079 1488517 1673501 13828403 43951421 262739657 835076999 6900373097 131107088843