130302041431781 has 2 divisors, whose sum is σ = 130302041431782. Its totient is φ = 130302041431780.

The previous prime is 130302041431777. The next prime is 130302041431789. The reversal of 130302041431781 is 187134140203031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66999872769025 + 63302168662756 = 8185345^2 + 7956266^2 .

It is a cyclic number.

It is not a de Polignac number, because 130302041431781 - 2² = 130302041431777 is a prime.

It is a super-2 number, since 2×130302041431781² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130302041431789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65151020715890 + 65151020715891.

It is an arithmetic number, because the mean of its divisors is an integer number (65151020715891).

Almost surely, 2^{130302041431781} is an apocalyptic number.

It is an amenable number.

130302041431781 is a deficient number, since it is larger than the sum of its proper divisors (1).

130302041431781 is an equidigital number, since it uses as much as digits as its factorization.

130302041431781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 130302041431781 in words is "one hundred thirty trillion, three hundred two billion, forty-one million, four hundred thirty-one thousand, seven hundred eighty-one".