203030201 has 32 divisors (see below), whose sum is σ = 241532928. Its totient is φ = 168618240.

The previous prime is 203030183. The next prime is 203030203. The reversal of 203030201 is 102030302.

It is not a de Polignac number, because 203030201 - 2¹⁴ = 203013817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203030203) 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, 1598600 + ... + 1598726.

It is an arithmetic number, because the mean of its divisors is an integer number (7547904).

Almost surely, 2^203030201 is an apocalyptic number.

It is an amenable number.

203030201 is a deficient number, since it is larger than the sum of its proper divisors (38502727).

203030201 is a wasteful number, since it uses less digits than its factorization.

203030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

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

The square root of 203030201 is about 14248.8666566854. The cubic root of 203030201 is about 587.7422098327.

Adding to 203030201 its reverse (102030302), we get a palindrome (305060503).

The spelling of 203030201 in words is "two hundred three million, thirty thousand, two hundred one".