130440224310421 has 2 divisors, whose sum is σ = 130440224310422. Its totient is φ = 130440224310420.

The previous prime is 130440224310391. The next prime is 130440224310449. The reversal of 130440224310421 is 124013422044031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115485413859396 + 14954810451025 = 10746414^2 + 3867145^2 .

It is a cyclic number.

It is not a de Polignac number, because 130440224310421 - 2⁷ = 130440224310293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130440224310491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65220112155210 + 65220112155211.

It is an arithmetic number, because the mean of its divisors is an integer number (65220112155211).

Almost surely, 2^{130440224310421} is an apocalyptic number.

It is an amenable number.

130440224310421 is a deficient number, since it is larger than the sum of its proper divisors (1).

130440224310421 is an equidigital number, since it uses as much as digits as its factorization.

130440224310421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 130440224310421 its reverse (124013422044031), we get a palindrome (254453646354452).

The spelling of 130440224310421 in words is "one hundred thirty trillion, four hundred forty billion, two hundred twenty-four million, three hundred ten thousand, four hundred twenty-one".