30111100203 has 32 divisors (see below), whose sum is σ = 42593892352. Its totient is φ = 18887904000.

The previous prime is 30111100183. The next prime is 30111100207. The reversal of 30111100203 is 30200111103.

It is not a de Polignac number, because 30111100203 - 2⁹ = 30111099691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30111100207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7165503 + ... + 7169703.

It is an arithmetic number, because the mean of its divisors is an integer number (1331059136).

Almost surely, 2^30111100203 is an apocalyptic number.

30111100203 is a deficient number, since it is larger than the sum of its proper divisors (12482792149).

30111100203 is a wasteful number, since it uses less digits than its factorization.

30111100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6355.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 30111100203 its reverse (30200111103), we get a palindrome (60311211306).

The spelling of 30111100203 in words is "thirty billion, one hundred eleven million, one hundred thousand, two hundred three".