30200000203 has 4 divisors (see below), whose sum is σ = 30499010208. Its totient is φ = 29900990200.

The previous prime is 30200000197. The next prime is 30200000219.

30200000203 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30200000203 is a prime.

It is a super-2 number, since 2×30200000203² (a number of 22 digits) contains 22 as substring.

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 30200000203.

It is not an unprimeable number, because it can be changed into a prime (30200000503) 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, 149504851 + ... + 149505052.

It is an arithmetic number, because the mean of its divisors is an integer number (7624752552).

Almost surely, 2^30200000203 is an apocalyptic number.

30200000203 is a deficient number, since it is larger than the sum of its proper divisors (299010005).

30200000203 is a wasteful number, since it uses less digits than its factorization.

30200000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299010004.

The product of its (nonzero) digits is 36, while the sum is 10.

It can be divided in two parts, 30200000 and 203, that added together give a palindrome (30200203).

The spelling of 30200000203 in words is "thirty billion, two hundred million, two hundred three", and thus it is an aban number.