30103102145 has 32 divisors (see below), whose sum is σ = 38379225600. Its totient is φ = 22629273856.

The previous prime is 30103102109. The next prime is 30103102171. The reversal of 30103102145 is 54120130103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30103102145 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1207547 + ... + 1232223.

It is an arithmetic number, because the mean of its divisors is an integer number (1199350800).

Almost surely, 2^30103102145 is an apocalyptic number.

It is an amenable number.

30103102145 is a deficient number, since it is larger than the sum of its proper divisors (8276123455).

30103102145 is a wasteful number, since it uses less digits than its factorization.

30103102145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24937.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 30103102145 its reverse (54120130103), we get a palindrome (84223232248).

The spelling of 30103102145 in words is "thirty billion, one hundred three million, one hundred two thousand, one hundred forty-five".