30348513 has 36 divisors (see below), whose sum is σ = 49292880. Its totient is φ = 18650736.

The previous prime is 30348499. The next prime is 30348533. The reversal of 30348513 is 31584303.

It is a happy number.

It is not a de Polignac number, because 30348513 - 2⁶ = 30348449 is a prime.

It is a super-2 number, since 2×30348513² = 1842064482622338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30348533) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 40698 + ... + 41436.

Almost surely, 2^30348513 is an apocalyptic number.

It is an amenable number.

30348513 is a deficient number, since it is larger than the sum of its proper divisors (18944367).

30348513 is an equidigital number, since it uses as much as digits as its factorization.

30348513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30348513 is about 5508.9484477530. The cubic root of 30348513 is about 311.9218554293.

The spelling of 30348513 in words is "thirty million, three hundred forty-eight thousand, five hundred thirteen".