20313203103 has 12 divisors (see below), whose sum is σ = 29347034808. Its totient is φ = 13539485520.

The previous prime is 20313203077. The next prime is 20313203129. The reversal of 20313203103 is 30130231302.

20313203103 is a `hidden beast` number, since 2 + 0 + 31 + 320 + 310 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20313203077) and next prime (20313203129).

It is not a de Polignac number, because 20313203103 - 2¹⁶ = 20313137567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313203143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171700 + ... + 264777.

It is an arithmetic number, because the mean of its divisors is an integer number (2445586234).

Almost surely, 2^20313203103 is an apocalyptic number.

20313203103 is a deficient number, since it is larger than the sum of its proper divisors (9033831705).

20313203103 is a wasteful number, since it uses less digits than its factorization.

20313203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441654 (or 441651 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20313203103 its reverse (30130231302), we get a palindrome (50443434405).

The spelling of 20313203103 in words is "twenty billion, three hundred thirteen million, two hundred three thousand, one hundred three".