130215307 has 4 divisors (see below), whose sum is σ = 134705520. Its totient is φ = 125725096.

The previous prime is 130215289. The next prime is 130215311. The reversal of 130215307 is 703512031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130215307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130245307) 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, 2245063 + ... + 2245120.

It is an arithmetic number, because the mean of its divisors is an integer number (33676380).

Almost surely, 2^130215307 is an apocalyptic number.

130215307 is a deficient number, since it is larger than the sum of its proper divisors (4490213).

130215307 is an equidigital number, since it uses as much as digits as its factorization.

130215307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490212.

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

The square root of 130215307 is about 11411.1921813630. The cubic root of 130215307 is about 506.8592147228.

Adding to 130215307 its reverse (703512031), we get a palindrome (833727338).

The spelling of 130215307 in words is "one hundred thirty million, two hundred fifteen thousand, three hundred seven".