30315804 has 12 divisors (see below), whose sum is σ = 70736904. Its totient is φ = 10105264.

The previous prime is 30315787. The next prime is 30315823. The reversal of 30315804 is 40851303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1263147 + ... + 1263170.

It is an arithmetic number, because the mean of its divisors is an integer number (5894742).

Almost surely, 2^30315804 is an apocalyptic number.

It is an amenable number.

30315804 is an abundant number, since it is smaller than the sum of its proper divisors (40421100).

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

30315804 is a wasteful number, since it uses less digits than its factorization.

30315804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526324 (or 2526322 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30315804 is about 5505.9789320338. The cubic root of 30315804 is about 311.8097541701.

The spelling of 30315804 in words is "thirty million, three hundred fifteen thousand, eight hundred four".