130311132181 has 2 divisors, whose sum is σ = 130311132182. Its totient is φ = 130311132180.

The previous prime is 130311132097. The next prime is 130311132187. The reversal of 130311132181 is 181231113031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114331896900 + 15979235281 = 338130^2 + 126409^2 .

It is an emirp because it is prime and its reverse (181231113031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130311132181 - 2¹⁷ = 130311001109 is a prime.

It is a super-2 number, since 2×130311132181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130311132187) 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, 65155566090 + 65155566091.

It is an arithmetic number, because the mean of its divisors is an integer number (65155566091).

Almost surely, 2^130311132181 is an apocalyptic number.

It is an amenable number.

130311132181 is a deficient number, since it is larger than the sum of its proper divisors (1).

130311132181 is an equidigital number, since it uses as much as digits as its factorization.

130311132181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 130311132181 in words is "one hundred thirty billion, three hundred eleven million, one hundred thirty-two thousand, one hundred eighty-one".