130210321 has 4 divisors (see below), whose sum is σ = 133238512. Its totient is φ = 127182132.

The previous prime is 130210313. The next prime is 130210343. The reversal of 130210321 is 123012031.

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: 123012031 = 4523 ⋅27197.

It is not a de Polignac number, because 130210321 - 2³ = 130210313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130210121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514031 + ... + 1514116.

It is an arithmetic number, because the mean of its divisors is an integer number (33309628).

Almost surely, 2^130210321 is an apocalyptic number.

It is an amenable number.

130210321 is a deficient number, since it is larger than the sum of its proper divisors (3028191).

130210321 is an equidigital number, since it uses as much as digits as its factorization.

130210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028190.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130210321 is about 11410.9737095482. The cubic root of 130210321 is about 506.8527453546.

Adding to 130210321 its reverse (123012031), we get a palindrome (253222352).

The spelling of 130210321 in words is "one hundred thirty million, two hundred ten thousand, three hundred twenty-one".