202113103 has 4 divisors (see below), whose sum is σ = 202154320. Its totient is φ = 202071888.

The previous prime is 202113083. The next prime is 202113137. The reversal of 202113103 is 301311202.

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 202113103 - 2²¹ = 200015951 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 (202113503) 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, 12075 + ... + 23452.

It is an arithmetic number, because the mean of its divisors is an integer number (50538580).

Almost surely, 2^202113103 is an apocalyptic number.

202113103 is a deficient number, since it is larger than the sum of its proper divisors (41217).

202113103 is an equidigital number, since it uses as much as digits as its factorization.

202113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41216.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 202113103 is about 14216.6487963936. The cubic root of 202113103 is about 586.8559199524.

Adding to 202113103 its reverse (301311202), we get a palindrome (503424305).

The spelling of 202113103 in words is "two hundred two million, one hundred thirteen thousand, one hundred three".