130320241021 has 2 divisors, whose sum is σ = 130320241022. Its totient is φ = 130320241020.

The previous prime is 130320240979. The next prime is 130320241039. The reversal of 130320241021 is 120142023031.

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., 77723864100 + 52596376921 = 278790^2 + 229339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130320241021 is a prime.

It is a super-2 number, since 2×130320241021² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130320241021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130320241081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65160120510 + 65160120511.

It is an arithmetic number, because the mean of its divisors is an integer number (65160120511).

Almost surely, 2^130320241021 is an apocalyptic number.

It is an amenable number.

130320241021 is a deficient number, since it is larger than the sum of its proper divisors (1).

130320241021 is an equidigital number, since it uses as much as digits as its factorization.

130320241021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 130320241021 its reverse (120142023031), we get a palindrome (250462264052).

The spelling of 130320241021 in words is "one hundred thirty billion, three hundred twenty million, two hundred forty-one thousand, twenty-one".