130020231321 has 20 divisors (see below), whose sum is σ = 194304798864. Its totient is φ = 86645770200.

The previous prime is 130020231301. The next prime is 130020231377. The reversal of 130020231321 is 123132020031.

130020231321 is a `hidden beast` number, since 1 + 300 + 20 + 23 + 1 + 321 = 666.

It is not a de Polignac number, because 130020231321 - 2⁷ = 130020231193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130020231294 and 130020231303.

It is not an unprimeable number, because it can be changed into a prime (130020231301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112095 + ... + 522116.

Almost surely, 2^130020231321 is an apocalyptic number.

It is an amenable number.

130020231321 is a deficient number, since it is larger than the sum of its proper divisors (64284567543).

130020231321 is an equidigital number, since it uses as much as digits as its factorization.

130020231321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636754 (or 636745 counting only the distinct ones).

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

Adding to 130020231321 its reverse (123132020031), we get a palindrome (253152251352).

The spelling of 130020231321 in words is "one hundred thirty billion, twenty million, two hundred thirty-one thousand, three hundred twenty-one".