11031204242 has 16 divisors (see below), whose sum is σ = 16961124600. Its totient is φ = 5377666560.

The previous prime is 11031204211. The next prime is 11031204257. The reversal of 11031204242 is 24240213011.

It can be written as a sum of positive squares in 4 ways, for example, as 8772008281 + 2259195961 = 93659^2 + 47531^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90134 + ... + 173742.

Almost surely, 2^11031204242 is an apocalyptic number.

11031204242 is a deficient number, since it is larger than the sum of its proper divisors (5929920358).

11031204242 is a wasteful number, since it uses less digits than its factorization.

11031204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85261.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11031204242 its reverse (24240213011), we get a palindrome (35271417253).

The spelling of 11031204242 in words is "eleven billion, thirty-one million, two hundred four thousand, two hundred forty-two".