11043031001 has 4 divisors (see below), whose sum is σ = 11104042404. Its totient is φ = 10982019600.

The previous prime is 11043030997. The next prime is 11043031007. The reversal of 11043031001 is 10013034011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3809358400 + 7233672601 = 61720^2 + 85051^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043031001 - 2² = 11043030997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11043031007) 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, 30505430 + ... + 30505791.

It is an arithmetic number, because the mean of its divisors is an integer number (2776010601).

Almost surely, 2^11043031001 is an apocalyptic number.

It is an amenable number.

11043031001 is a deficient number, since it is larger than the sum of its proper divisors (61011403).

11043031001 is an equidigital number, since it uses as much as digits as its factorization.

11043031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61011402.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11043031001 its reverse (10013034011), we get a palindrome (21056065012).

The spelling of 11043031001 in words is "eleven billion, forty-three million, thirty-one thousand, one".