30611442 has 32 divisors (see below), whose sum is σ = 63740160. Its totient is φ = 9792720.

The previous prime is 30611411. The next prime is 30611491. The reversal of 30611442 is 24411603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14217 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (1991880).

Almost surely, 2^30611442 is an apocalyptic number.

30611442 is an abundant number, since it is smaller than the sum of its proper divisors (33128718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30611442 is a wasteful number, since it uses less digits than its factorization.

30611442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30611442 is about 5532.7607936725. The cubic root of 30611442 is about 312.8200607769.

The spelling of 30611442 in words is "thirty million, six hundred eleven thousand, four hundred forty-two".