Search a number
-
+
131250299 is a prime number
BaseRepresentation
bin1111101001010…
…11100001111011
3100010222012120012
413310223201323
5232100002144
621005052135
73152415635
oct764534173
9303865505
10131250299
11680a6324
1237b5704b
13212658cb
1413607a55
15b7c8e9e
hex7d2b87b

131250299 has 2 divisors, whose sum is σ = 131250300. Its totient is φ = 131250298.

The previous prime is 131250293. The next prime is 131250331. The reversal of 131250299 is 992052131.

It is an a-pointer prime, because the next prime (131250331) can be obtained adding 131250299 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131250299 - 24 = 131250283 is a prime.

It is not a weakly prime, because it can be changed into another prime (131250293) 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, 65625149 + 65625150.

It is an arithmetic number, because the mean of its divisors is an integer number (65625150).

Almost surely, 2131250299 is an apocalyptic number.

131250299 is a deficient number, since it is larger than the sum of its proper divisors (1).

131250299 is an equidigital number, since it uses as much as digits as its factorization.

131250299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 131250299 is about 11456.4522868120. The cubic root of 131250299 is about 508.1985643151.

The spelling of 131250299 in words is "one hundred thirty-one million, two hundred fifty thousand, two hundred ninety-nine".