130301220321 has 10 divisors (see below), whose sum is σ = 194647502082. Its totient is φ = 86867480160.

The previous prime is 130301220307. The next prime is 130301220389. The reversal of 130301220321 is 123022103031.

It can be written as a sum of positive squares in only one way, i.e., 130281293025 + 19927296 = 360945^2 + 4464^2 .

It is not a de Polignac number, because 130301220321 - 2¹¹ = 130301218273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130301220294 and 130301220303.

It is not an unprimeable number, because it can be changed into a prime (130301220391) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 804328440 + ... + 804328601.

Almost surely, 2^130301220321 is an apocalyptic number.

It is an amenable number.

130301220321 is a deficient number, since it is larger than the sum of its proper divisors (64346281761).

130301220321 is an equidigital number, since it uses as much as digits as its factorization.

130301220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608657053 (or 1608657044 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130301220321 its reverse (123022103031), we get a palindrome (253323323352).

The spelling of 130301220321 in words is "one hundred thirty billion, three hundred one million, two hundred twenty thousand, three hundred twenty-one".