30319990 has 8 divisors (see below), whose sum is σ = 54576000. Its totient is φ = 12127992.

The previous prime is 30319987. The next prime is 30320009. The reversal of 30319990 is 9991303.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515990 + ... + 1516009.

It is an arithmetic number, because the mean of its divisors is an integer number (6822000).

Almost surely, 2^30319990 is an apocalyptic number.

30319990 is a deficient number, since it is larger than the sum of its proper divisors (24256010).

30319990 is a wasteful number, since it uses less digits than its factorization.

30319990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032006.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 30319990 is about 5506.3590511335. The cubic root of 30319990 is about 311.8241050519.

The spelling of 30319990 in words is "thirty million, three hundred nineteen thousand, nine hundred ninety".