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131132303 = 472819929
BaseRepresentation
bin1111101000011…
…10101110001111
3100010202012200222
413310032232033
5232032213203
621002341555
73151414631
oct764165617
9303665628
10131132303
1168025705
1237aba8bb
1321223ca3
14135b6a51
15b7a4038
hex7d0eb8f

131132303 has 8 divisors (see below), whose sum is σ = 134412480. Its totient is φ = 127872640.

The previous prime is 131132299. The next prime is 131132311. The reversal of 131132303 is 303231131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131132303 - 22 = 131132299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131132003) 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 7 ways as a sum of consecutive naturals, for example, 8243 + ... + 18171.

It is an arithmetic number, because the mean of its divisors is an integer number (16801560).

Almost surely, 2131132303 is an apocalyptic number.

131132303 is a deficient number, since it is larger than the sum of its proper divisors (3280177).

131132303 is an equidigital number, since it uses as much as digits as its factorization.

131132303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131132303 is about 11451.3013670936. The cubic root of 131132303 is about 508.0462259276.

Adding to 131132303 its reverse (303231131), we get a palindrome (434363434).

The spelling of 131132303 in words is "one hundred thirty-one million, one hundred thirty-two thousand, three hundred three".

Divisors: 1 47 281 9929 13207 466663 2790049 131132303