30012343305 has 16 divisors (see below), whose sum is σ = 54879713664. Its totient is φ = 13719928320.

The previous prime is 30012343279. The next prime is 30012343307. The reversal of 30012343305 is 50334321003.

It is a happy number.

It is not a de Polignac number, because 30012343305 - 2¹³ = 30012335113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30012343307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142915816 + ... + 142916025.

It is an arithmetic number, because the mean of its divisors is an integer number (3429982104).

Almost surely, 2^30012343305 is an apocalyptic number.

30012343305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30012343305 is a deficient number, since it is larger than the sum of its proper divisors (24867370359).

30012343305 is a wasteful number, since it uses less digits than its factorization.

30012343305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285831856.

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 30012343305 its reverse (50334321003), we get a palindrome (80346664308).

The spelling of 30012343305 in words is "thirty billion, twelve million, three hundred forty-three thousand, three hundred five".