11331231033 has 8 divisors (see below), whose sum is σ = 15116704096. Its totient is φ = 7549956000.

The previous prime is 11331230969. The next prime is 11331231059. The reversal of 11331231033 is 33013213311.

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

It is not a de Polignac number, because 11331231033 - 2⁶ = 11331230969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331238033) 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, 1043203 + ... + 1054008.

It is an arithmetic number, because the mean of its divisors is an integer number (1889588012).

Almost surely, 2^11331231033 is an apocalyptic number.

It is an amenable number.

11331231033 is a deficient number, since it is larger than the sum of its proper divisors (3785473063).

11331231033 is a wasteful number, since it uses less digits than its factorization.

11331231033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099015.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11331231033 its reverse (33013213311), we get a palindrome (44344444344).

The spelling of 11331231033 in words is "eleven billion, three hundred thirty-one million, two hundred thirty-one thousand, thirty-three".