30313982 has 8 divisors (see below), whose sum is σ = 45506016. Its totient is φ = 15145312.

The previous prime is 30313981. The next prime is 30313991. The reversal of 30313982 is 28931303.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2123 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (5688252).

Almost surely, 2^30313982 is an apocalyptic number.

30313982 is a deficient number, since it is larger than the sum of its proper divisors (15192034).

30313982 is a wasteful number, since it uses less digits than its factorization.

30313982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30313982 is about 5505.8134730483. The cubic root of 30313982 is about 311.8035073870.

The spelling of 30313982 in words is "thirty million, three hundred thirteen thousand, nine hundred eighty-two".