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130305223 is a prime number
BaseRepresentation
bin1111100010001…
…00110011000111
3100002012012011101
413301010303013
5231324231343
620532520531
73141401416
oct761046307
9302165141
10130305223
1167610274
1237780147
1320cc46a9
141343d47d
15b68de4d
hex7c44cc7

130305223 has 2 divisors, whose sum is σ = 130305224. Its totient is φ = 130305222.

The previous prime is 130305199. The next prime is 130305239. The reversal of 130305223 is 322503031.

It is a strong prime.

It is an emirp because it is prime and its reverse (322503031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130305223 - 213 = 130297031 is a prime.

It is a super-2 number, since 2×1303052232 = 33958902282159458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130305223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130305283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65152611 + 65152612.

It is an arithmetic number, because the mean of its divisors is an integer number (65152612).

Almost surely, 2130305223 is an apocalyptic number.

130305223 is a deficient number, since it is larger than the sum of its proper divisors (1).

130305223 is an equidigital number, since it uses as much as digits as its factorization.

130305223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 130305223 is about 11415.1313176853. The cubic root of 130305223 is about 506.9758529997.

Adding to 130305223 its reverse (322503031), we get a palindrome (452808254).

The spelling of 130305223 in words is "one hundred thirty million, three hundred five thousand, two hundred twenty-three".