11103131103 has 8 divisors (see below), whose sum is σ = 15675008688. Its totient is φ = 6966670464.

The previous prime is 11103131101. The next prime is 11103131107. The reversal of 11103131103 is 30113130111.

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

It is not a de Polignac number, because 11103131103 - 2¹ = 11103131101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103131101) 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, 108854176 + ... + 108854277.

It is an arithmetic number, because the mean of its divisors is an integer number (1959376086).

Almost surely, 2^11103131103 is an apocalyptic number.

11103131103 is a deficient number, since it is larger than the sum of its proper divisors (4571877585).

11103131103 is a wasteful number, since it uses less digits than its factorization.

11103131103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217708473.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 11103131103 its reverse (30113130111), we get a palindrome (41216261214).

The spelling of 11103131103 in words is "eleven billion, one hundred three million, one hundred thirty-one thousand, one hundred three".