130324321 has 4 divisors (see below), whose sum is σ = 130404352. Its totient is φ = 130244292.

The previous prime is 130324319. The next prime is 130324343. The reversal of 130324321 is 123423031.

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: 123423031 = 19 ⋅6495949.

It is a cyclic number.

It is not a de Polignac number, because 130324321 - 2¹ = 130324319 is a prime.

It is a super-2 number, since 2×130324321² = 33968857288222082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130322321) 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, 37521 + ... + 40846.

It is an arithmetic number, because the mean of its divisors is an integer number (32601088).

Almost surely, 2^130324321 is an apocalyptic number.

It is an amenable number.

130324321 is a deficient number, since it is larger than the sum of its proper divisors (80031).

130324321 is an equidigital number, since it uses as much as digits as its factorization.

130324321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80030.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130324321 is about 11415.9678082938. The cubic root of 130324321 is about 507.0006198551. Note that the first 3 decimals are identical.

Adding to 130324321 its reverse (123423031), we get a palindrome (253747352).

The spelling of 130324321 in words is "one hundred thirty million, three hundred twenty-four thousand, three hundred twenty-one".