1101303109 has 4 divisors (see below), whose sum is σ = 1101637260. Its totient is φ = 1100968960.

The previous prime is 1101303103. The next prime is 1101303121. The reversal of 1101303109 is 9013031011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 873202500 + 228100609 = 29550^2 + 15103^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101303109 - 2⁷ = 1101302981 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 (1101303103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162082 + ... + 168739.

It is an arithmetic number, because the mean of its divisors is an integer number (275409315).

Almost surely, 2^1101303109 is an apocalyptic number.

It is an amenable number.

1101303109 is a deficient number, since it is larger than the sum of its proper divisors (334151).

1101303109 is an equidigital number, since it uses as much as digits as its factorization.

1101303109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334150.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 1101303109 is about 33185.8871962164. The cubic root of 1101303109 is about 1032.6875829334.

The spelling of 1101303109 in words is "one billion, one hundred one million, three hundred three thousand, one hundred nine".