11203102340 has 36 divisors (see below), whose sum is σ = 24991847076. Its totient is φ = 4217636352.

The previous prime is 11203102327. The next prime is 11203102343. The reversal of 11203102340 is 4320130211.

It can be written as a sum of positive squares in 6 ways, for example, as 714065284 + 10489037056 = 26722^2 + 102416^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (11203102343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 963347 + ... + 974906.

Almost surely, 2^11203102340 is an apocalyptic number.

11203102340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11203102340 is an abundant number, since it is smaller than the sum of its proper divisors (13788744736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11203102340 is a wasteful number, since it uses less digits than its factorization.

11203102340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938296 (or 1938277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11203102340 its reverse (4320130211), we get a palindrome (15523232551).

The spelling of 11203102340 in words is "eleven billion, two hundred three million, one hundred two thousand, three hundred forty".