103503531121 has 36 divisors (see below), whose sum is σ = 112154266224. Its totient is φ = 95504666400.

The previous prime is 103503531059. The next prime is 103503531127. The reversal of 103503531121 is 121135305301.

It is not a de Polignac number, because 103503531121 - 2¹⁵ = 103503498353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103503531127) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 94869786 + ... + 94870876.

It is an arithmetic number, because the mean of its divisors is an integer number (3115396284).

Almost surely, 2^103503531121 is an apocalyptic number.

It is an amenable number.

103503531121 is a deficient number, since it is larger than the sum of its proper divisors (8650735103).

103503531121 is a wasteful number, since it uses less digits than its factorization.

103503531121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 103503531121 its reverse (121135305301), we get a palindrome (224638836422).

The spelling of 103503531121 in words is "one hundred three billion, five hundred three million, five hundred thirty-one thousand, one hundred twenty-one".