30105355 has 24 divisors (see below), whose sum is σ = 42468192. Its totient is φ = 20426112.

The previous prime is 30105353. The next prime is 30105389. The reversal of 30105355 is 55350103.

It is a happy number.

It is not a de Polignac number, because 30105355 - 2¹ = 30105353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30105353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24639 + ... + 25831.

It is an arithmetic number, because the mean of its divisors is an integer number (1769508).

Almost surely, 2^30105355 is an apocalyptic number.

30105355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30105355 is a deficient number, since it is larger than the sum of its proper divisors (12362837).

30105355 is a wasteful number, since it uses less digits than its factorization.

30105355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 30105355 is about 5486.8346977105. The cubic root of 30105355 is about 311.0865617203.

Adding to 30105355 its reverse (55350103), we get a palindrome (85455458).

The spelling of 30105355 in words is "thirty million, one hundred five thousand, three hundred fifty-five".