30340215 has 12 divisors (see below), whose sum is σ = 52589784. Its totient is φ = 16181424.

The previous prime is 30340201. The next prime is 30340229. The reversal of 30340215 is 51204303.

It is an interprime number because it is at equal distance from previous prime (30340201) and next prime (30340229).

It is not a de Polignac number, because 30340215 - 2⁴ = 30340199 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 337069 + ... + 337158.

It is an arithmetic number, because the mean of its divisors is an integer number (4382482).

Almost surely, 2^30340215 is an apocalyptic number.

30340215 is a deficient number, since it is larger than the sum of its proper divisors (22249569).

30340215 is a wasteful number, since it uses less digits than its factorization.

30340215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674238 (or 674235 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30340215 is about 5508.1952579770. The cubic root of 30340215 is about 311.8934239045.

Adding to 30340215 its reverse (51204303), we get a palindrome (81544518).

The spelling of 30340215 in words is "thirty million, three hundred forty thousand, two hundred fifteen".