101030203 has 2 divisors, whose sum is σ = 101030204. Its totient is φ = 101030202.

The previous prime is 101030179. The next prime is 101030207. The reversal of 101030203 is 302030101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101030203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101030203.

It is not a weakly prime, because it can be changed into another prime (101030207) by changing a digit.

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 as a sum of consecutive naturals, namely, 50515101 + 50515102.

It is an arithmetic number, because the mean of its divisors is an integer number (50515102).

Almost surely, 2^101030203 is an apocalyptic number.

101030203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101030203 is an equidigital number, since it uses as much as digits as its factorization.

101030203 is an odious number, because the sum of its binary digits is odd.

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

The square root of 101030203 is about 10051.3781642121. The cubic root of 101030203 is about 465.7473671632.

Adding to 101030203 its reverse (302030101), we get a palindrome (403060304).

It can be divided in two parts, 1010 and 30203, that added together give a palindrome (31213).

The spelling of 101030203 in words is "one hundred one million, thirty thousand, two hundred three".