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131515067 is a prime number
BaseRepresentation
bin1111101011011…
…00001010111011
3100011110122202102
413311230022323
5232131440232
621014454015
73154600565
oct765541273
9304418672
10131515067
1168267242
123806430b
1321329288
1413676335
15b82c662
hex7d6c2bb

131515067 has 2 divisors, whose sum is σ = 131515068. Its totient is φ = 131515066.

The previous prime is 131515063. The next prime is 131515073. The reversal of 131515067 is 760515131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131515067 - 22 = 131515063 is a prime.

It is not a weakly prime, because it can be changed into another prime (131515061) 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 as a sum of consecutive naturals, namely, 65757533 + 65757534.

It is an arithmetic number, because the mean of its divisors is an integer number (65757534).

Almost surely, 2131515067 is an apocalyptic number.

131515067 is a deficient number, since it is larger than the sum of its proper divisors (1).

131515067 is an equidigital number, since it uses as much as digits as its factorization.

131515067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 131515067 is about 11468.0018747818. The cubic root of 131515067 is about 508.5400602756.

The spelling of 131515067 in words is "one hundred thirty-one million, five hundred fifteen thousand, sixty-seven".