30317130 has 24 divisors (see below), whose sum is σ = 78824772. Its totient is φ = 8084544.

The previous prime is 30317129. The next prime is 30317143. The reversal of 30317130 is 3171303.

It can be written as a sum of positive squares in 2 ways, for example, as 29713401 + 603729 = 5451^2 + 777^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168339 + ... + 168518.

Almost surely, 2^30317130 is an apocalyptic number.

30317130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30317130 is an abundant number, since it is smaller than the sum of its proper divisors (48507642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30317130 is a wasteful number, since it uses less digits than its factorization.

30317130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336870 (or 336867 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 30317130 is about 5506.0993452716. The cubic root of 30317130 is about 311.8143002445.

Adding to 30317130 its reverse (3171303), we get a palindrome (33488433).

The spelling of 30317130 in words is "thirty million, three hundred seventeen thousand, one hundred thirty".