30900318 has 16 divisors (see below), whose sum is σ = 61865856. Its totient is φ = 10289240.

The previous prime is 30900277. The next prime is 30900323. The reversal of 30900318 is 81300903.

It is a super-2 number, since 2×30900318² = 1909659305002248, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 5233 + ... + 9443.

It is an arithmetic number, because the mean of its divisors is an integer number (3866616).

Almost surely, 2^30900318 is an apocalyptic number.

30900318 is an abundant number, since it is smaller than the sum of its proper divisors (30965538).

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

30900318 is a wasteful number, since it uses less digits than its factorization.

30900318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 30900318 is about 5558.8054472162. The cubic root of 30900318 is about 313.8009949756.

The spelling of 30900318 in words is "thirty million, nine hundred thousand, three hundred eighteen".