102030203 has 4 divisors (see below), whose sum is σ = 111305688. Its totient is φ = 92754720.

The previous prime is 102030193. The next prime is 102030217. The reversal of 102030203 is 302030201.

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

It is a cyclic number.

It is not a de Polignac number, because 102030203 - 2⁸ = 102029947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11), and also a Moran number because the ratio is a prime number: 9275473 = 102030203 / (1 + 0 + 2 + 0 + 3 + 0 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102030233) 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, 4637726 + ... + 4637747.

It is an arithmetic number, because the mean of its divisors is an integer number (27826422).

Almost surely, 2^102030203 is an apocalyptic number.

102030203 is a deficient number, since it is larger than the sum of its proper divisors (9275485).

102030203 is an equidigital number, since it uses as much as digits as its factorization.

102030203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275484.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 102030203 is about 10101.0000990001. Note that the first 4 decimals coincide. The cubic root of 102030203 is about 467.2789853905.

Adding to 102030203 its reverse (302030201), we get a palindrome (404060404).

The spelling of 102030203 in words is "one hundred two million, thirty thousand, two hundred three".