30430349 has 2 divisors, whose sum is σ = 30430350. Its totient is φ = 30430348.

The previous prime is 30430339. The next prime is 30430409. The reversal of 30430349 is 94303403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18576100 + 11854249 = 4310^2 + 3443^2 .

It is a cyclic number.

It is not a de Polignac number, because 30430349 - 2⁸ = 30430093 is a prime.

It is a super-2 number, since 2×30430349² = 1852012280523602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30430339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215174 + 15215175.

It is an arithmetic number, because the mean of its divisors is an integer number (15215175).

Almost surely, 2^30430349 is an apocalyptic number.

It is an amenable number.

30430349 is a deficient number, since it is larger than the sum of its proper divisors (1).

30430349 is an equidigital number, since it uses as much as digits as its factorization.

30430349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 30430349 is about 5516.3709991261. The cubic root of 30430349 is about 312.2019737876.

The spelling of 30430349 in words is "thirty million, four hundred thirty thousand, three hundred forty-nine".