130431244227509 has 2 divisors, whose sum is σ = 130431244227510. Its totient is φ = 130431244227508.

The previous prime is 130431244227457. The next prime is 130431244227523. The reversal of 130431244227509 is 905722442134031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109599751620100 + 20831492607409 = 10468990^2 + 4564153^2 .

It is a cyclic number.

It is not a de Polignac number, because 130431244227509 - 2¹⁶ = 130431244161973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130431244227589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65215622113754 + 65215622113755.

It is an arithmetic number, because the mean of its divisors is an integer number (65215622113755).

Almost surely, 2^{130431244227509} is an apocalyptic number.

It is an amenable number.

130431244227509 is a deficient number, since it is larger than the sum of its proper divisors (1).

130431244227509 is an equidigital number, since it uses as much as digits as its factorization.

130431244227509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 130431244227509 in words is "one hundred thirty trillion, four hundred thirty-one billion, two hundred forty-four million, two hundred twenty-seven thousand, five hundred nine".