130031221013 has 2 divisors, whose sum is σ = 130031221014. Its totient is φ = 130031221012.

The previous prime is 130031220997. The next prime is 130031221037. The reversal of 130031221013 is 310122130031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102897883729 + 27133337284 = 320777^2 + 164722^2 .

It is a cyclic number.

It is not a de Polignac number, because 130031221013 - 2⁴ = 130031220997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130031220982 and 130031221000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130031221093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65015610506 + 65015610507.

It is an arithmetic number, because the mean of its divisors is an integer number (65015610507).

Almost surely, 2^130031221013 is an apocalyptic number.

It is an amenable number.

130031221013 is a deficient number, since it is larger than the sum of its proper divisors (1).

130031221013 is an equidigital number, since it uses as much as digits as its factorization.

130031221013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130031221013 its reverse (310122130031), we get a palindrome (440153351044).

The spelling of 130031221013 in words is "one hundred thirty billion, thirty-one million, two hundred twenty-one thousand, thirteen".