130202001971 has 2 divisors, whose sum is σ = 130202001972. Its totient is φ = 130202001970.

The previous prime is 130202001959. The next prime is 130202002009. The reversal of 130202001971 is 179100202031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130202001971 - 2⁶ = 130202001907 is a prime.

It is a super-2 number, since 2×130202001971² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130202001971.

It is not a weakly prime, because it can be changed into another prime (130202001931) 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, 65101000985 + 65101000986.

It is an arithmetic number, because the mean of its divisors is an integer number (65101000986).

Almost surely, 2^130202001971 is an apocalyptic number.

130202001971 is a deficient number, since it is larger than the sum of its proper divisors (1).

130202001971 is an equidigital number, since it uses as much as digits as its factorization.

130202001971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 130202001971 in words is "one hundred thirty billion, two hundred two million, one thousand, nine hundred seventy-one".