130321112321 has 4 divisors (see below), whose sum is σ = 130323982512. Its totient is φ = 130318242132.

The previous prime is 130321112293. The next prime is 130321112323. The reversal of 130321112321 is 123211123031.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130321112321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 130321112293 and 130321112302.

It is not an unprimeable number, because it can be changed into a prime (130321112323) 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, 1365875 + ... + 1458168.

It is an arithmetic number, because the mean of its divisors is an integer number (32580995628).

Almost surely, 2^130321112321 is an apocalyptic number.

It is an amenable number.

130321112321 is a deficient number, since it is larger than the sum of its proper divisors (2870191).

130321112321 is an equidigital number, since it uses as much as digits as its factorization.

130321112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870190.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 130321112321 its reverse (123211123031), we get a palindrome (253532235352).

The spelling of 130321112321 in words is "one hundred thirty billion, three hundred twenty-one million, one hundred twelve thousand, three hundred twenty-one".