20130302103 has 16 divisors (see below), whose sum is σ = 27704371200. Its totient is φ = 12991863456.

The previous prime is 20130302083. The next prime is 20130302107. The reversal of 20130302103 is 30120303102.

It is not a de Polignac number, because 20130302103 - 2⁸ = 20130301847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130302107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433575 + ... + 477752.

It is an arithmetic number, because the mean of its divisors is an integer number (1731523200).

Almost surely, 2^20130302103 is an apocalyptic number.

20130302103 is a deficient number, since it is larger than the sum of its proper divisors (7574069097).

20130302103 is a wasteful number, since it uses less digits than its factorization.

20130302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911566.

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

Adding to 20130302103 its reverse (30120303102), we get a palindrome (50250605205).

Subtracting 20130302103 from its reverse (30120303102), we obtain a palindrome (9990000999).

The spelling of 20130302103 in words is "twenty billion, one hundred thirty million, three hundred two thousand, one hundred three".