130031971 has 2 divisors, whose sum is σ = 130031972. Its totient is φ = 130031970.

The previous prime is 130031933. The next prime is 130031981. The reversal of 130031971 is 179130031.

It is a strong prime.

It is an emirp because it is prime and its reverse (179130031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130031971 - 2¹⁷ = 129900899 is a prime.

It is not a weakly prime, because it can be changed into another prime (130031981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015985 + 65015986.

It is an arithmetic number, because the mean of its divisors is an integer number (65015986).

Almost surely, 2^130031971 is an apocalyptic number.

130031971 is a deficient number, since it is larger than the sum of its proper divisors (1).

130031971 is an equidigital number, since it uses as much as digits as its factorization.

130031971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 130031971 is about 11403.1561858987. The cubic root of 130031971 is about 506.6212263515.

The spelling of 130031971 in words is "one hundred thirty million, thirty-one thousand, nine hundred seventy-one".