215130303 has 16 divisors (see below), whose sum is σ = 321871200. Its totient is φ = 141998400.

The previous prime is 215130287. The next prime is 215130341. The reversal of 215130303 is 303031512.

It is not a de Polignac number, because 215130303 - 2⁴ = 215130287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215130373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36718 + ... + 42171.

It is an arithmetic number, because the mean of its divisors is an integer number (20116950).

Almost surely, 2^215130303 is an apocalyptic number.

215130303 is a deficient number, since it is larger than the sum of its proper divisors (106740897).

215130303 is a wasteful number, since it uses less digits than its factorization.

215130303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78999 (or 78993 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 215130303 is about 14667.3209210135. The cubic root of 215130303 is about 599.1936417962.

Adding to 215130303 its reverse (303031512), we get a palindrome (518161815).

The spelling of 215130303 in words is "two hundred fifteen million, one hundred thirty thousand, three hundred three".