30111345 has 56 divisors (see below), whose sum is σ = 59179392. Its totient is φ = 14580000.

The previous prime is 30111271. The next prime is 30111353. The reversal of 30111345 is 54311103.

It is not a de Polignac number, because 30111345 - 2⁷ = 30111217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 39720 + ... + 40470.

Almost surely, 2^30111345 is an apocalyptic number.

It is an amenable number.

30111345 is a deficient number, since it is larger than the sum of its proper divisors (29068047).

30111345 is an equidigital number, since it uses as much as digits as its factorization.

30111345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 30111345 is about 5487.3805226173. The cubic root of 30111345 is about 311.1071924346.

Adding to 30111345 its reverse (54311103), we get a palindrome (84422448).

It can be divided in two parts, 3011 and 1345, that added together give a square (4356 = 66²).

The spelling of 30111345 in words is "thirty million, one hundred eleven thousand, three hundred forty-five".