130320132321 has 4 divisors (see below), whose sum is σ = 173760176432. Its totient is φ = 86880088212.

The previous prime is 130320132281. The next prime is 130320132323. The reversal of 130320132321 is 123231023031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123231023031 = 3 ⋅41077007677.

It is not a de Polignac number, because 130320132321 - 2¹¹ = 130320130273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130320132323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21720022051 + ... + 21720022056.

It is an arithmetic number, because the mean of its divisors is an integer number (43440044108).

Almost surely, 2^130320132321 is an apocalyptic number.

It is an amenable number.

130320132321 is a deficient number, since it is larger than the sum of its proper divisors (43440044111).

130320132321 is an equidigital number, since it uses as much as digits as its factorization.

130320132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43440044110.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 130320132321 its reverse (123231023031), we get a palindrome (253551155352).

The spelling of 130320132321 in words is "one hundred thirty billion, three hundred twenty million, one hundred thirty-two thousand, three hundred twenty-one".