203002113 has 8 divisors (see below), whose sum is σ = 274096000. Its totient is φ = 133621488.

The previous prime is 203002081. The next prime is 203002153. The reversal of 203002113 is 311200302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203002113 - 2⁵ = 203002081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203002153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428038 + ... + 428511.

It is an arithmetic number, because the mean of its divisors is an integer number (34262000).

Almost surely, 2^203002113 is an apocalyptic number.

It is an amenable number.

203002113 is a deficient number, since it is larger than the sum of its proper divisors (71093887).

203002113 is an equidigital number, since it uses as much as digits as its factorization.

203002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856631.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 203002113 is about 14247.8810003453. The cubic root of 203002113 is about 587.7151050564.

Adding to 203002113 its reverse (311200302), we get a palindrome (514202415).

The spelling of 203002113 in words is "two hundred three million, two thousand, one hundred thirteen".