2131304103 has 16 divisors (see below), whose sum is σ = 3204616960. Its totient is φ = 1399661208.

The previous prime is 2131304101. The next prime is 2131304113. The reversal of 2131304103 is 3014031312.

It is not a de Polignac number, because 2131304103 - 2¹ = 2131304101 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 (2131304101) 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, 587275 + ... + 590892.

It is an arithmetic number, because the mean of its divisors is an integer number (200288560).

Almost surely, 2^2131304103 is an apocalyptic number.

2131304103 is a deficient number, since it is larger than the sum of its proper divisors (1073312857).

2131304103 is a wasteful number, since it uses less digits than its factorization.

2131304103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178243 (or 1178237 counting only the distinct ones).

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

The square root of 2131304103 is about 46166.0492461722. The cubic root of 2131304103 is about 1286.9108832507.

Adding to 2131304103 its reverse (3014031312), we get a palindrome (5145335415).

The spelling of 2131304103 in words is "two billion, one hundred thirty-one million, three hundred four thousand, one hundred three".