11331340203 has 8 divisors (see below), whose sum is σ = 15108989248. Its totient is φ = 7553958984.

The previous prime is 11331340199. The next prime is 11331340217. The reversal of 11331340203 is 30204313311.

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

It is not a de Polignac number, because 11331340203 - 2² = 11331340199 is a prime.

It is a super-2 number, since 2×11331340203² (a number of 21 digits) contains 22 as substring.

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 11331340203.

It is not an unprimeable number, because it can be changed into a prime (11331340903) 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, 74400 + ... + 167922.

It is an arithmetic number, because the mean of its divisors is an integer number (1888623656).

Almost surely, 2^11331340203 is an apocalyptic number.

11331340203 is a deficient number, since it is larger than the sum of its proper divisors (3777649045).

11331340203 is an equidigital number, since it uses as much as digits as its factorization.

11331340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133913.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11331340203 its reverse (30204313311), we get a palindrome (41535653514).

The spelling of 11331340203 in words is "eleven billion, three hundred thirty-one million, three hundred forty thousand, two hundred three".