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130801217 is a prime number
BaseRepresentation
bin1111100101111…
…01111001000001
3100010010101112112
413302331321001
5231441114332
620551305105
73145535441
oct762757101
9303111475
10130801217
1167919988
123797b195
1321139391
141352c121
15b73adb2
hex7cbde41

130801217 has 2 divisors, whose sum is σ = 130801218. Its totient is φ = 130801216.

The previous prime is 130801157. The next prime is 130801261. The reversal of 130801217 is 712108031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106584976 + 24216241 = 10324^2 + 4921^2 .

It is a cyclic number.

It is not a de Polignac number, because 130801217 - 28 = 130800961 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130801192 and 130801201.

It is not a weakly prime, because it can be changed into another prime (130801267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65400608 + 65400609.

It is an arithmetic number, because the mean of its divisors is an integer number (65400609).

Almost surely, 2130801217 is an apocalyptic number.

It is an amenable number.

130801217 is a deficient number, since it is larger than the sum of its proper divisors (1).

130801217 is an equidigital number, since it uses as much as digits as its factorization.

130801217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 130801217 is about 11436.8359697951. The cubic root of 130801217 is about 507.6182897843.

Adding to 130801217 its reverse (712108031), we get a palindrome (842909248).

The spelling of 130801217 in words is "one hundred thirty million, eight hundred one thousand, two hundred seventeen".