11034031243 has 4 divisors (see below), whose sum is σ = 11048608000. Its totient is φ = 11019454488.

The previous prime is 11034031219. The next prime is 11034031259. The reversal of 11034031243 is 34213043011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11034031243 - 2²¹ = 11031934091 is a prime.

It is a super-3 number, since 3×11034031243³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11034031343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7287243 + ... + 7288756.

It is an arithmetic number, because the mean of its divisors is an integer number (2762152000).

Almost surely, 2^11034031243 is an apocalyptic number.

11034031243 is a deficient number, since it is larger than the sum of its proper divisors (14576757).

11034031243 is an equidigital number, since it uses as much as digits as its factorization.

11034031243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14576756.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11034031243 its reverse (34213043011), we get a palindrome (45247074254).

The spelling of 11034031243 in words is "eleven billion, thirty-four million, thirty-one thousand, two hundred forty-three".