130030261 has 2 divisors, whose sum is σ = 130030262. Its totient is φ = 130030260.

The previous prime is 130030259. The next prime is 130030267. The reversal of 130030261 is 162030031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129823236 + 207025 = 11394^2 + 455^2 .

It is an emirp because it is prime and its reverse (162030031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130030261 - 2¹ = 130030259 is a prime.

Together with 130030259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130030267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015130 + 65015131.

It is an arithmetic number, because the mean of its divisors is an integer number (65015131).

Almost surely, 2^130030261 is an apocalyptic number.

It is an amenable number.

130030261 is a deficient number, since it is larger than the sum of its proper divisors (1).

130030261 is an equidigital number, since it uses as much as digits as its factorization.

130030261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130030261 is about 11403.0812064108. The cubic root of 130030261 is about 506.6190055487.

Adding to 130030261 its reverse (162030031), we get a palindrome (292060292).

The spelling of 130030261 in words is "one hundred thirty million, thirty thousand, two hundred sixty-one".