1101331103 has 8 divisors (see below), whose sum is σ = 1149549408. Its totient is φ = 1053140704.

The previous prime is 1101331097. The next prime is 1101331151. The reversal of 1101331103 is 3011331011.

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 not a de Polignac number, because 1101331103 - 2⁴ = 1101331087 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 (1101331183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138101 + ... + 145857.

It is an arithmetic number, because the mean of its divisors is an integer number (143693676).

Almost surely, 2^1101331103 is an apocalyptic number.

1101331103 is a deficient number, since it is larger than the sum of its proper divisors (48218305).

1101331103 is an equidigital number, since it uses as much as digits as its factorization.

1101331103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13953.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1101331103 is about 33186.3089692120. The cubic root of 1101331103 is about 1032.6963328137.

Adding to 1101331103 its reverse (3011331011), we get a palindrome (4112662114).

The spelling of 1101331103 in words is "one billion, one hundred one million, three hundred thirty-one thousand, one hundred three".