1103313020103 has 96 divisors (see below), whose sum is σ = 1932680267520. Its totient is φ = 620121458880.

The previous prime is 1103313020087. The next prime is 1103313020143. The reversal of 1103313020103 is 3010203133011.

It is a happy number.

It is not a de Polignac number, because 1103313020103 - 2⁴ = 1103313020087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103313020143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61241925 + ... + 61259937.

It is an arithmetic number, because the mean of its divisors is an integer number (20132086120).

Almost surely, 2^{1103313020103} is an apocalyptic number.

1103313020103 is a deficient number, since it is larger than the sum of its proper divisors (829367247417).

1103313020103 is a wasteful number, since it uses less digits than its factorization.

1103313020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18794 (or 18781 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1103313020103 its reverse (3010203133011), we get a palindrome (4113516153114).

The spelling of 1103313020103 in words is "one trillion, one hundred three billion, three hundred thirteen million, twenty thousand, one hundred three".