30442305 has 16 divisors (see below), whose sum is σ = 50025024. Its totient is φ = 15796800.

The previous prime is 30442301. The next prime is 30442331. The reversal of 30442305 is 50324403.

It is a happy number.

It is not a de Polignac number, because 30442305 - 2² = 30442301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30442301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26871 + ... + 27980.

It is an arithmetic number, because the mean of its divisors is an integer number (3126564).

Almost surely, 2^30442305 is an apocalyptic number.

It is an amenable number.

30442305 is a deficient number, since it is larger than the sum of its proper divisors (19582719).

30442305 is a wasteful number, since it uses less digits than its factorization.

30442305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54896.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30442305 is about 5517.4545761610. The cubic root of 30442305 is about 312.2428561980.

Adding to 30442305 its reverse (50324403), we get a palindrome (80766708).

The spelling of 30442305 in words is "thirty million, four hundred forty-two thousand, three hundred five".