30215116 has 6 divisors (see below), whose sum is σ = 52876460. Its totient is φ = 15107556.

The previous prime is 30215099. The next prime is 30215117. The reversal of 30215116 is 61151203.

It is a junction number, because it is equal to n+sod(n) for n = 30215093 and 30215102.

It is not an unprimeable number, because it can be changed into a prime (30215117) by changing a digit.

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 as a sum of consecutive naturals, namely, 3776886 + ... + 3776893.

Almost surely, 2^30215116 is an apocalyptic number.

It is an amenable number.

30215116 is a deficient number, since it is larger than the sum of its proper divisors (22661344).

30215116 is a wasteful number, since it uses less digits than its factorization.

30215116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553783 (or 7553781 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 30215116 is about 5496.8278124751. The cubic root of 30215116 is about 311.4641662956.

Adding to 30215116 its reverse (61151203), we get a palindrome (91366319).

The spelling of 30215116 in words is "thirty million, two hundred fifteen thousand, one hundred sixteen".