30442342 has 32 divisors (see below), whose sum is σ = 56766528. Its totient is φ = 11943936.

The previous prime is 30442331. The next prime is 30442411. The reversal of 30442342 is 24324403.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7078 + ... + 10534.

It is an arithmetic number, because the mean of its divisors is an integer number (1773954).

Almost surely, 2^30442342 is an apocalyptic number.

30442342 is a deficient number, since it is larger than the sum of its proper divisors (26324186).

30442342 is a wasteful number, since it uses less digits than its factorization.

30442342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 30442342 is about 5517.4579291554. The cubic root of 30442342 is about 312.2429826994.

Adding to 30442342 its reverse (24324403), we get a palindrome (54766745).

The spelling of 30442342 in words is "thirty million, four hundred forty-two thousand, three hundred forty-two".