11031303065 has 8 divisors (see below), whose sum is σ = 13250409408. Its totient is φ = 8816478640.

The previous prime is 11031303061. The next prime is 11031303083. The reversal of 11031303065 is 56030313011.

It is a happy number.

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

It is not a de Polignac number, because 11031303065 - 2² = 11031303061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11031303065.

It is not an unprimeable number, because it can be changed into a prime (11031303061) 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, 1064807 + ... + 1075116.

It is an arithmetic number, because the mean of its divisors is an integer number (1656301176).

Almost surely, 2^11031303065 is an apocalyptic number.

It is an amenable number.

11031303065 is a deficient number, since it is larger than the sum of its proper divisors (2219106343).

11031303065 is a wasteful number, since it uses less digits than its factorization.

11031303065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140959.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 11031303065 its reverse (56030313011), we get a palindrome (67061616076).

The spelling of 11031303065 in words is "eleven billion, thirty-one million, three hundred three thousand, sixty-five".