30118156 has 12 divisors (see below), whose sum is σ = 52784368. Its totient is φ = 15036912.

The previous prime is 30118147. The next prime is 30118159. The reversal of 30118156 is 65181103.

It is a self number, because there is not a number n which added to its sum of digits gives 30118156.

It is not an unprimeable number, because it can be changed into a prime (30118159) 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 3 ways as a sum of consecutive naturals, for example, 2271 + ... + 8086.

Almost surely, 2^30118156 is an apocalyptic number.

It is an amenable number.

30118156 is a deficient number, since it is larger than the sum of its proper divisors (22666212).

30118156 is a wasteful number, since it uses less digits than its factorization.

30118156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11088 (or 11086 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 30118156 is about 5488.0010932944. The cubic root of 30118156 is about 311.1306475071.

Adding to 30118156 its reverse (65181103), we get a palindrome (95299259).

The spelling of 30118156 in words is "thirty million, one hundred eighteen thousand, one hundred fifty-six".