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131110 = 2571873
BaseRepresentation
bin100000000000100110
320122211221
4200000212
513143420
62450554
71054150
oct400046
9218757
10131110
118a561
1263a5a
13478a5
1435ad0
1528caa
hex20026

131110 has 16 divisors (see below), whose sum is σ = 269856. Its totient is φ = 44928.

The previous prime is 131101. The next prime is 131111. The reversal of 131110 is 11131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a junction number, because it is equal to n+sod(n) for n = 131093 and 131102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131111) by changing a digit.

131110 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 867 + ... + 1006.

It is an arithmetic number, because the mean of its divisors is an integer number (16866).

2131110 is an apocalyptic number.

131110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131110 is an abundant number, since it is smaller than the sum of its proper divisors (138746).

It is a weird number, because it is abundant, but not a pseudoperfect number.

131110 is a wasteful number, since it uses less digits than its factorization.

131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 131110 is about 362.0911487457. The cubic root of 131110 is about 50.8017421437.

Adding to 131110 its reverse (11131), we get a palindrome (142241).

The spelling of 131110 in words is "one hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1873 3746 9365 13111 18730 26222 65555 131110