20310302103 has 32 divisors (see below), whose sum is σ = 33799191552. Its totient is φ = 10562227200.

The previous prime is 20310302081. The next prime is 20310302113. The reversal of 20310302103 is 30120301302.

It is not a de Polignac number, because 20310302103 - 2¹⁰ = 20310301079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310302113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504538 + ... + 543303.

It is an arithmetic number, because the mean of its divisors is an integer number (1056224736).

Almost surely, 2^20310302103 is an apocalyptic number.

20310302103 is a deficient number, since it is larger than the sum of its proper divisors (13488889449).

20310302103 is a wasteful number, since it uses less digits than its factorization.

20310302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047935.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20310302103 its reverse (30120301302), we get a palindrome (50430603405).

The spelling of 20310302103 in words is "twenty billion, three hundred ten million, three hundred two thousand, one hundred three".