30398313 has 16 divisors (see below), whose sum is σ = 44943552. Its totient is φ = 18120000.

The previous prime is 30398297. The next prime is 30398323. The reversal of 30398313 is 31389303.

It is not a de Polignac number, because 30398313 - 2⁴ = 30398297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30398323) 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 15 ways as a sum of consecutive naturals, for example, 5538 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (2808972).

Almost surely, 2^30398313 is an apocalyptic number.

30398313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30398313 is a deficient number, since it is larger than the sum of its proper divisors (14545239).

30398313 is a wasteful number, since it uses less digits than its factorization.

30398313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15176.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 30398313 is about 5513.4665139094. The cubic root of 30398313 is about 312.0923769034.

The spelling of 30398313 in words is "thirty million, three hundred ninety-eight thousand, three hundred thirteen".