130203239 has 2 divisors, whose sum is σ = 130203240. Its totient is φ = 130203238.

The previous prime is 130203209. The next prime is 130203251. The reversal of 130203239 is 932302031.

It is a strong prime.

It is an emirp because it is prime and its reverse (932302031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130203239 - 2¹² = 130199143 is a prime.

It is a super-2 number, since 2×130203239² = 33905766892182242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130203209) 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, 65101619 + 65101620.

It is an arithmetic number, because the mean of its divisors is an integer number (65101620).

Almost surely, 2^130203239 is an apocalyptic number.

130203239 is a deficient number, since it is larger than the sum of its proper divisors (1).

130203239 is an equidigital number, since it uses as much as digits as its factorization.

130203239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 130203239 is about 11410.6633900050. The cubic root of 130203239 is about 506.8435561285.

The spelling of 130203239 in words is "one hundred thirty million, two hundred three thousand, two hundred thirty-nine".