130311032981 has 2 divisors, whose sum is σ = 130311032982. Its totient is φ = 130311032980.

The previous prime is 130311032941. The next prime is 130311032989. The reversal of 130311032981 is 189230113031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99850312081 + 30460720900 = 315991^2 + 174530^2 .

It is a cyclic number.

It is not a de Polignac number, because 130311032981 - 2¹⁴ = 130311016597 is a prime.

It is a super-2 number, since 2×130311032981² (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 (130311032989) 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, 65155516490 + 65155516491.

It is an arithmetic number, because the mean of its divisors is an integer number (65155516491).

Almost surely, 2^130311032981 is an apocalyptic number.

It is an amenable number.

130311032981 is a deficient number, since it is larger than the sum of its proper divisors (1).

130311032981 is an equidigital number, since it uses as much as digits as its factorization.

130311032981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 130311032981 in words is "one hundred thirty billion, three hundred eleven million, thirty-two thousand, nine hundred eighty-one".