1100331103 has 8 divisors (see below), whose sum is σ = 1172035872. Its totient is φ = 1029401856.

The previous prime is 1100331047. The next prime is 1100331107. The reversal of 1100331103 is 3011330011.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100331103 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 (1100331107) 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, 190950 + ... + 196627.

It is an arithmetic number, because the mean of its divisors is an integer number (146504484).

Almost surely, 2^1100331103 is an apocalyptic number.

1100331103 is a deficient number, since it is larger than the sum of its proper divisors (71704769).

1100331103 is a wasteful number, since it uses less digits than its factorization.

1100331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387761.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1100331103 is about 33171.2390935280. The cubic root of 1100331103 is about 1032.3836781095.

Adding to 1100331103 its reverse (3011330011), we get a palindrome (4111661114).

The spelling of 1100331103 in words is "one billion, one hundred million, three hundred thirty-one thousand, one hundred three".