130531207 has 4 divisors (see below), whose sum is σ = 130977000. Its totient is φ = 130085416.

The previous prime is 130531201. The next prime is 130531211. The reversal of 130531207 is 702135031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702135031 = 13 ⋅54010387.

It is a cyclic number.

It is not a de Polignac number, because 130531207 - 2¹¹ = 130529159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130531201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222457 + ... + 223042.

It is an arithmetic number, because the mean of its divisors is an integer number (32744250).

Almost surely, 2^130531207 is an apocalyptic number.

130531207 is a deficient number, since it is larger than the sum of its proper divisors (445793).

130531207 is an equidigital number, since it uses as much as digits as its factorization.

130531207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445792.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 130531207 is about 11425.0254704311. The cubic root of 130531207 is about 507.2687608395.

Adding to 130531207 its reverse (702135031), we get a palindrome (832666238).

The spelling of 130531207 in words is "one hundred thirty million, five hundred thirty-one thousand, two hundred seven".