30349807 has 2 divisors, whose sum is σ = 30349808. Its totient is φ = 30349806.

The previous prime is 30349789. The next prime is 30349831. The reversal of 30349807 is 70894303.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30349807 is a prime.

It is a super-2 number, since 2×30349807² = 1842221569874498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30379807) 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 as a sum of consecutive naturals, namely, 15174903 + 15174904.

It is an arithmetic number, because the mean of its divisors is an integer number (15174904).

Almost surely, 2^30349807 is an apocalyptic number.

30349807 is a deficient number, since it is larger than the sum of its proper divisors (1).

30349807 is an equidigital number, since it uses as much as digits as its factorization.

30349807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 30349807 is about 5509.0658917824. The cubic root of 30349807 is about 311.9262886080.

The spelling of 30349807 in words is "thirty million, three hundred forty-nine thousand, eight hundred seven".