30342125 has 16 divisors (see below), whose sum is σ = 41311296. Its totient is φ = 22066000.

The previous prime is 30342121. The next prime is 30342139. The reversal of 30342125 is 52124303.

It is a happy number.

It is not a de Polignac number, because 30342125 - 2² = 30342121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30342097 and 30342106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342121) 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 15 ways as a sum of consecutive naturals, for example, 9659 + ... + 12408.

It is an arithmetic number, because the mean of its divisors is an integer number (2581956).

Almost surely, 2^30342125 is an apocalyptic number.

It is an amenable number.

30342125 is a deficient number, since it is larger than the sum of its proper divisors (10969171).

30342125 is a wasteful number, since it uses less digits than its factorization.

30342125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22093 (or 22083 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30342125 is about 5508.3686332707. The cubic root of 30342125 is about 311.8999686169.

Adding to 30342125 its reverse (52124303), we get a palindrome (82466428).

The spelling of 30342125 in words is "thirty million, three hundred forty-two thousand, one hundred twenty-five".