11431434033 has 12 divisors (see below), whose sum is σ = 17229987840. Its totient is φ = 7289609976.

The previous prime is 11431434019. The next prime is 11431434059. The reversal of 11431434033 is 33043413411.

11431434033 is a `hidden beast` number, since 1 + 1 + 4 + 314 + 340 + 3 + 3 = 666.

It is not a de Polignac number, because 11431434033 - 2⁹ = 11431433521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11431433988 and 11431434006.

It is not an unprimeable number, because it can be changed into a prime (11431424033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27611953 + ... + 27612366.

It is an arithmetic number, because the mean of its divisors is an integer number (1435832320).

Almost surely, 2^11431434033 is an apocalyptic number.

It is an amenable number.

11431434033 is a deficient number, since it is larger than the sum of its proper divisors (5798553807).

11431434033 is a wasteful number, since it uses less digits than its factorization.

11431434033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55224348 (or 55224345 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 11431434033 its reverse (33043413411), we get a palindrome (44474847444).

The spelling of 11431434033 in words is "eleven billion, four hundred thirty-one million, four hundred thirty-four thousand, thirty-three".