30442983 has 8 divisors (see below), whose sum is σ = 40825968. Its totient is φ = 20177664.

The previous prime is 30442969. The next prime is 30442987. The reversal of 30442983 is 38924403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30442983 - 2⁴ = 30442967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28810 + ... + 29847.

It is an arithmetic number, because the mean of its divisors is an integer number (5103246).

Almost surely, 2^30442983 is an apocalyptic number.

30442983 is a deficient number, since it is larger than the sum of its proper divisors (10382985).

30442983 is a wasteful number, since it uses less digits than its factorization.

30442983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58833.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 30442983 is about 5517.5160171947. The cubic root of 30442983 is about 312.2451742341.

The spelling of 30442983 in words is "thirty million, four hundred forty-two thousand, nine hundred eighty-three".