30130340 has 24 divisors (see below), whose sum is σ = 64313592. Its totient is φ = 11854080.

The previous prime is 30130339. The next prime is 30130343. The reversal of 30130340 is 4303103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2483776 + 27646564 = 1576^2 + 5258^2 .

It is not an unprimeable number, because it can be changed into a prime (30130343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11129 + ... + 13568.

It is an arithmetic number, because the mean of its divisors is an integer number (2679733).

Almost surely, 2^30130340 is an apocalyptic number.

It is an amenable number.

30130340 is an abundant number, since it is smaller than the sum of its proper divisors (34183252).

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

30130340 is a wasteful number, since it uses less digits than its factorization.

30130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24767 (or 24765 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30130340 is about 5489.1110391392. Note that the first 3 decimals coincide. The cubic root of 30130340 is about 311.1725967857.

Adding to 30130340 its reverse (4303103), we get a palindrome (34433443).

The spelling of 30130340 in words is "thirty million, one hundred thirty thousand, three hundred forty".