11043433203431 has 4 divisors (see below), whose sum is σ = 11044332444864. Its totient is φ = 11042533962000.

The previous prime is 11043433203427. The next prime is 11043433203437. The reversal of 11043433203431 is 13430233434011.

It is a happy number.

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 11043433203431 - 2² = 11043433203427 is a prime.

It is a super-2 number, since 2×11043433203431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043433203437) 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, 449602295 + ... + 449626856.

It is an arithmetic number, because the mean of its divisors is an integer number (2761083111216).

Almost surely, 2^{11043433203431} is an apocalyptic number.

11043433203431 is a deficient number, since it is larger than the sum of its proper divisors (899241433).

11043433203431 is an equidigital number, since it uses as much as digits as its factorization.

11043433203431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899241432.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 11043433203431 its reverse (13430233434011), we get a palindrome (24473666637442).

The spelling of 11043433203431 in words is "eleven trillion, forty-three billion, four hundred thirty-three million, two hundred three thousand, four hundred thirty-one".