11031130205 has 8 divisors (see below), whose sum is σ = 13238034432. Its totient is φ = 8824452048.

The previous prime is 11031130199. The next prime is 11031130207. The reversal of 11031130205 is 50203113011.

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 11031130205 - 2⁶ = 11031130141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031130207) 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, 81464 + ... + 169406.

It is an arithmetic number, because the mean of its divisors is an integer number (1654754304).

Almost surely, 2^11031130205 is an apocalyptic number.

It is an amenable number.

11031130205 is a deficient number, since it is larger than the sum of its proper divisors (2206904227).

11031130205 is an equidigital number, since it uses as much as digits as its factorization.

11031130205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113035.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 11031130205 its reverse (50203113011), we get a palindrome (61234243216).

The spelling of 11031130205 in words is "eleven billion, thirty-one million, one hundred thirty thousand, two hundred five".