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131515327 is a prime number
BaseRepresentation
bin1111101011011…
…00001110111111
3100011110200010001
413311230032333
5232131442302
621014455131
73154601416
oct765541677
9304420101
10131515327
1168267459
12380644a7
1321329428
141367647d
15b82c787
hex7d6c3bf

131515327 has 2 divisors, whose sum is σ = 131515328. Its totient is φ = 131515326.

The previous prime is 131515309. The next prime is 131515337. The reversal of 131515327 is 723515131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131515327 - 219 = 130991039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131515295 and 131515304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131515337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65757663 + 65757664.

It is an arithmetic number, because the mean of its divisors is an integer number (65757664).

Almost surely, 2131515327 is an apocalyptic number.

131515327 is a deficient number, since it is larger than the sum of its proper divisors (1).

131515327 is an equidigital number, since it uses as much as digits as its factorization.

131515327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 28.

The square root of 131515327 is about 11468.0132106656. The cubic root of 131515327 is about 508.5403953964.

The spelling of 131515327 in words is "one hundred thirty-one million, five hundred fifteen thousand, three hundred twenty-seven".