30100100203 has 4 divisors (see below), whose sum is σ = 30198146440. Its totient is φ = 30002053968.

The previous prime is 30100100153. The next prime is 30100100231. The reversal of 30100100203 is 30200100103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30200100103 = 199 ⋅151759297.

It is a cyclic number.

It is not a de Polignac number, because 30100100203 - 2¹⁷ = 30099969131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30100100203.

It is not an unprimeable number, because it can be changed into a prime (30100100243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49022658 + ... + 49023271.

It is an arithmetic number, because the mean of its divisors is an integer number (7549536610).

Almost surely, 2^30100100203 is an apocalyptic number.

30100100203 is a deficient number, since it is larger than the sum of its proper divisors (98046237).

30100100203 is an equidigital number, since it uses as much as digits as its factorization.

30100100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98046236.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 30100100203 its reverse (30200100103), we get a palindrome (60300200306).

The spelling of 30100100203 in words is "thirty billion, one hundred million, one hundred thousand, two hundred three".