130343281 has 2 divisors, whose sum is σ = 130343282. Its totient is φ = 130343280.

The previous prime is 130343243. The next prime is 130343293. The reversal of 130343281 is 182343031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130325056 + 18225 = 11416^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 130343281 - 2⁹ = 130342769 is a prime.

It is a super-2 number, since 2×130343281² = 33978741803689922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130343201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65171640 + 65171641.

It is an arithmetic number, because the mean of its divisors is an integer number (65171641).

Almost surely, 2^130343281 is an apocalyptic number.

It is an amenable number.

130343281 is a deficient number, since it is larger than the sum of its proper divisors (1).

130343281 is an equidigital number, since it uses as much as digits as its factorization.

130343281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 130343281 is about 11416.7981938896. The cubic root of 130343281 is about 507.0252053547.

The spelling of 130343281 in words is "one hundred thirty million, three hundred forty-three thousand, two hundred eighty-one".