100031003103 has 16 divisors (see below), whose sum is σ = 140406291200. Its totient is φ = 63172120320.

The previous prime is 100031003041. The next prime is 100031003119. The reversal of 100031003103 is 301300130001.

It is not a de Polignac number, because 100031003103 - 2¹² = 100030999007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031003153) 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, 668463 + ... + 804303.

It is an arithmetic number, because the mean of its divisors is an integer number (8775393200).

Almost surely, 2^100031003103 is an apocalyptic number.

100031003103 is a deficient number, since it is larger than the sum of its proper divisors (40375288097).

100031003103 is a wasteful number, since it uses less digits than its factorization.

100031003103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148782.

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 100031003103 its reverse (301300130001), we get a palindrome (401331133104).

The spelling of 100031003103 in words is "one hundred billion, thirty-one million, three thousand, one hundred three".