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131641003 = 1310126231
BaseRepresentation
bin1111101100010…
…10111010101011
3100011201001111201
413312022322223
5232200003003
621021305031
73155634004
oct766127253
9304631451
10131641003
116834291a
1238105177
13213716b0
14136aa1ab
15b854b1d
hex7d8aeab

131641003 has 4 divisors (see below), whose sum is σ = 141767248. Its totient is φ = 121514760.

The previous prime is 131640967. The next prime is 131641007. The reversal of 131641003 is 300146131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300146131 = 674479793.

It is a cyclic number.

It is not a de Polignac number, because 131641003 - 29 = 131640491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131641007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063103 + ... + 5063128.

It is an arithmetic number, because the mean of its divisors is an integer number (35441812).

Almost surely, 2131641003 is an apocalyptic number.

131641003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131641003 is a deficient number, since it is larger than the sum of its proper divisors (10126245).

131641003 is a wasteful number, since it uses less digits than its factorization.

131641003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126244.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 131641003 is about 11473.4913169445. The cubic root of 131641003 is about 508.7023308329.

Adding to 131641003 its reverse (300146131), we get a palindrome (431787134).

The spelling of 131641003 in words is "one hundred thirty-one million, six hundred forty-one thousand, three".

Divisors: 1 13 10126231 131641003