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131330 = 2523571
BaseRepresentation
bin100000000100000010
320200011002
4200010002
513200310
62452002
71054613
oct400402
9220132
10131330
118a741
1264002
1347a14
1435c0a
1528da5
hex20102

131330 has 16 divisors (see below), whose sum is σ = 247104. Its totient is φ = 50160.

The previous prime is 131321. The next prime is 131357. The reversal of 131330 is 33131.

131330 is nontrivially palindromic in base 4 and base 16.

It is an unprimeable number.

131330 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 515.

It is an arithmetic number, because the mean of its divisors is an integer number (15444).

2131330 is an apocalyptic number.

131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131330 is a deficient number, since it is larger than the sum of its proper divisors (115774).

131330 is a wasteful number, since it uses less digits than its factorization.

131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 131330 is about 362.3948123249. The cubic root of 131330 is about 50.8301410399.

Adding to 131330 its reverse (33131), we get a palindrome (164461).

The spelling of 131330 in words is "one hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 571 1142 2855 5710 13133 26266 65665 131330