30542116 has 24 divisors (see below), whose sum is σ = 58451904. Its totient is φ = 13848480.

The previous prime is 30542093. The next prime is 30542119. The reversal of 30542116 is 61124503.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (30542119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28201 + ... + 29263.

It is an arithmetic number, because the mean of its divisors is an integer number (2435496).

Almost surely, 2^30542116 is an apocalyptic number.

It is an amenable number.

30542116 is a deficient number, since it is larger than the sum of its proper divisors (27909788).

30542116 is a wasteful number, since it uses less digits than its factorization.

30542116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30542116 is about 5526.4921966832. The cubic root of 30542116 is about 312.5837335085.

Adding to 30542116 its reverse (61124503), we get a palindrome (91666619).

The spelling of 30542116 in words is "thirty million, five hundred forty-two thousand, one hundred sixteen".