202013103 has 4 divisors (see below), whose sum is σ = 269350808. Its totient is φ = 134675400.

The previous prime is 202013089. The next prime is 202013113. The reversal of 202013103 is 301310202.

It is a happy number.

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

It is not a de Polignac number, because 202013103 - 2⁴ = 202013087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202013113) 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, 33668848 + ... + 33668853.

It is an arithmetic number, because the mean of its divisors is an integer number (67337702).

Almost surely, 2^202013103 is an apocalyptic number.

202013103 is a deficient number, since it is larger than the sum of its proper divisors (67337705).

202013103 is an equidigital number, since it uses as much as digits as its factorization.

202013103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67337704.

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

The square root of 202013103 is about 14213.1313580083. The cubic root of 202013103 is about 586.7591172671.

Adding to 202013103 its reverse (301310202), we get a palindrome (503323305).

The spelling of 202013103 in words is "two hundred two million, thirteen thousand, one hundred three".