130210031 has 4 divisors (see below), whose sum is σ = 148811472. Its totient is φ = 111608592.

The previous prime is 130209997. The next prime is 130210033. The reversal of 130210031 is 130012031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130210031 - 2¹⁰ = 130209007 is a prime.

It is a super-2 number, since 2×130210031² = 33909304346041922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130209994 and 130210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130210033) 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, 9300710 + ... + 9300723.

It is an arithmetic number, because the mean of its divisors is an integer number (37202868).

Almost surely, 2^130210031 is an apocalyptic number.

130210031 is a deficient number, since it is larger than the sum of its proper divisors (18601441).

130210031 is an equidigital number, since it uses as much as digits as its factorization.

130210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18601440.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 130210031 is about 11410.9610024748. The cubic root of 130210031 is about 506.8523690725.

Adding to 130210031 its reverse (130012031), we get a palindrome (260222062).

The spelling of 130210031 in words is "one hundred thirty million, two hundred ten thousand, thirty-one".