103215042103 has 16 divisors (see below), whose sum is σ = 110223430240. Its totient is φ = 96372633600.

The previous prime is 103215042089. The next prime is 103215042127. The reversal of 103215042103 is 301240512301.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103215042103 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 (103215042163) 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, 327973 + ... + 560353.

It is an arithmetic number, because the mean of its divisors is an integer number (6888964390).

Almost surely, 2^103215042103 is an apocalyptic number.

103215042103 is a deficient number, since it is larger than the sum of its proper divisors (7008388137).

103215042103 is a wasteful number, since it uses less digits than its factorization.

103215042103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232738.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 103215042103 its reverse (301240512301), we get a palindrome (404455554404).

The spelling of 103215042103 in words is "one hundred three billion, two hundred fifteen million, forty-two thousand, one hundred three".