130434303531221 has 2 divisors, whose sum is σ = 130434303531222. Its totient is φ = 130434303531220.

The previous prime is 130434303531199. The next prime is 130434303531403. The reversal of 130434303531221 is 122135303434031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105206336196196 + 25227967335025 = 10257014^2 + 5022745^2 .

It is a cyclic number.

It is not a de Polignac number, because 130434303531221 - 2⁶ = 130434303531157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130434303536221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65217151765610 + 65217151765611.

It is an arithmetic number, because the mean of its divisors is an integer number (65217151765611).

Almost surely, 2^{130434303531221} is an apocalyptic number.

It is an amenable number.

130434303531221 is a deficient number, since it is larger than the sum of its proper divisors (1).

130434303531221 is an equidigital number, since it uses as much as digits as its factorization.

130434303531221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 130434303531221 its reverse (122135303434031), we get a palindrome (252569606965252).

The spelling of 130434303531221 in words is "one hundred thirty trillion, four hundred thirty-four billion, three hundred three million, five hundred thirty-one thousand, two hundred twenty-one".