130310121 has 4 divisors (see below), whose sum is σ = 173746832. Its totient is φ = 86873412.

The previous prime is 130310107. The next prime is 130310207. The reversal of 130310121 is 121013031.

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: 121013031 = 3 ⋅40337677.

It is not a de Polignac number, because 130310121 - 2¹⁵ = 130277353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130310097 and 130310106.

It is not an unprimeable number, because it can be changed into a prime (130310221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21718351 + ... + 21718356.

It is an arithmetic number, because the mean of its divisors is an integer number (43436708).

Almost surely, 2^130310121 is an apocalyptic number.

It is an amenable number.

130310121 is a deficient number, since it is larger than the sum of its proper divisors (43436711).

130310121 is an equidigital number, since it uses as much as digits as its factorization.

130310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43436710.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 130310121 is about 11415.3458554702. The cubic root of 130310121 is about 506.9822051027.

Adding to 130310121 its reverse (121013031), we get a palindrome (251323152).

The spelling of 130310121 in words is "one hundred thirty million, three hundred ten thousand, one hundred twenty-one".