11311032133 has 8 divisors (see below), whose sum is σ = 11424347000. Its totient is φ = 11197891008.

The previous prime is 11311032119. The next prime is 11311032149. The reversal of 11311032133 is 33123011311.

It can be written as a sum of positive squares in 4 ways, for example, as 202293729 + 11108738404 = 14223^2 + 105398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11311032133 - 2³³ = 2721097541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11311032133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311032113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89443 + ... + 174991.

It is an arithmetic number, because the mean of its divisors is an integer number (1428043375).

Almost surely, 2^11311032133 is an apocalyptic number.

It is an amenable number.

11311032133 is a deficient number, since it is larger than the sum of its proper divisors (113314867).

11311032133 is a wasteful number, since it uses less digits than its factorization.

11311032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86871.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11311032133 its reverse (33123011311), we get a palindrome (44434043444).

The spelling of 11311032133 in words is "eleven billion, three hundred eleven million, thirty-two thousand, one hundred thirty-three".