2101310103 has 8 divisors (see below), whose sum is σ = 2804527600. Its totient is φ = 1399483008.

The previous prime is 2101310077. The next prime is 2101310117. The reversal of 2101310103 is 3010131012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101310103 - 2¹³ = 2101301911 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 (2101310173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344068 + ... + 350121.

It is an arithmetic number, because the mean of its divisors is an integer number (350565950).

Almost surely, 2^2101310103 is an apocalyptic number.

2101310103 is a deficient number, since it is larger than the sum of its proper divisors (703217497).

2101310103 is a wasteful number, since it uses less digits than its factorization.

2101310103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695201.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 2101310103 is about 45840.0491164658. The cubic root of 2101310103 is about 1280.8454097250.

Adding to 2101310103 its reverse (3010131012), we get a palindrome (5111441115).

The spelling of 2101310103 in words is "two billion, one hundred one million, three hundred ten thousand, one hundred three".