130312321 has 8 divisors (see below), whose sum is σ = 131947200. Its totient is φ = 128684400.

The previous prime is 130312289. The next prime is 130312339. The reversal of 130312321 is 123213031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130312321 - 2⁵ = 130312289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130312295 and 130312304.

It is not an unprimeable number, because it can be changed into a prime (130313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42870 + ... + 45808.

It is an arithmetic number, because the mean of its divisors is an integer number (16493400).

Almost surely, 2^130312321 is an apocalyptic number.

It is an amenable number.

130312321 is a deficient number, since it is larger than the sum of its proper divisors (1634879).

130312321 is a wasteful number, since it uses less digits than its factorization.

130312321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130312321 is about 11415.4422165766. The cubic root of 130312321 is about 506.9850581801.

Adding to 130312321 its reverse (123213031), we get a palindrome (253525352).

The spelling of 130312321 in words is "one hundred thirty million, three hundred twelve thousand, three hundred twenty-one".