1103312103 has 16 divisors (see below), whose sum is σ = 1553857536. Its totient is φ = 695257920.

The previous prime is 1103312069. The next prime is 1103312113. The reversal of 1103312103 is 3012133011.

It is not a de Polignac number, because 1103312103 - 2²⁶ = 1036203239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103312113) 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, 133950 + ... + 141947.

It is an arithmetic number, because the mean of its divisors is an integer number (97116096).

Almost surely, 2^1103312103 is an apocalyptic number.

1103312103 is a deficient number, since it is larger than the sum of its proper divisors (450545433).

1103312103 is a wasteful number, since it uses less digits than its factorization.

1103312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275974.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103312103 is about 33216.1422052592. The cubic root of 1103312103 is about 1033.3151434074.

Adding to 1103312103 its reverse (3012133011), we get a palindrome (4115445114).

The spelling of 1103312103 in words is "one billion, one hundred three million, three hundred twelve thousand, one hundred three".