202103312103 has 48 divisors (see below), whose sum is σ = 364117408512. Its totient is φ = 104943600000.

The previous prime is 202103312087. The next prime is 202103312149. The reversal of 202103312103 is 301213301202.

202103312103 is a `hidden beast` number, since 20 + 210 + 331 + 2 + 103 = 666.

It is not a de Polignac number, because 202103312103 - 2⁴ = 202103312087 is a prime.

It is a super-3 number, since 3×202103312103³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202103362103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1581603 + ... + 1704603.

It is an arithmetic number, because the mean of its divisors is an integer number (7585779344).

Almost surely, 2^202103312103 is an apocalyptic number.

202103312103 is a deficient number, since it is larger than the sum of its proper divisors (162014096409).

202103312103 is a wasteful number, since it uses less digits than its factorization.

202103312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125396 (or 125393 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 202103312103 its reverse (301213301202), we get a palindrome (503316613305).

It can be divided in two parts, 2021033 and 12103, that added together give a triangular number (2033136 = T₂₀₁₆).

The spelling of 202103312103 in words is "two hundred two billion, one hundred three million, three hundred twelve thousand, one hundred three".