11331230033 has 4 divisors (see below), whose sum is σ = 11341560420. Its totient is φ = 11320899648.

The previous prime is 11331229993. The next prime is 11331230041. The reversal of 11331230033 is 33003213311.

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 8084167744 + 3247062289 = 89912^2 + 56983^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331230033 - 2¹² = 11331225937 is a prime.

It is a super-2 number, since 2×11331230033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331229987 and 11331230014.

It is not an unprimeable number, because it can be changed into a prime (11331230063) 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, 5163548 + ... + 5165741.

It is an arithmetic number, because the mean of its divisors is an integer number (2835390105).

Almost surely, 2^11331230033 is an apocalyptic number.

It is an amenable number.

11331230033 is a deficient number, since it is larger than the sum of its proper divisors (10330387).

11331230033 is a wasteful number, since it uses less digits than its factorization.

11331230033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330386.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 11331230033 its reverse (33003213311), we get a palindrome (44334443344).

The spelling of 11331230033 in words is "eleven billion, three hundred thirty-one million, two hundred thirty thousand, thirty-three".