11033130331231 has 4 divisors (see below), whose sum is σ = 11682137997792. Its totient is φ = 10384122664672.

The previous prime is 11033130331193. The next prime is 11033130331261. The reversal of 11033130331231 is 13213303133011.

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 11033130331231 - 2³¹ = 11030982847583 is a prime.

It is a super-2 number, since 2×11033130331231² (a number of 27 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 = 11033130331196 and 11033130331205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033130331261) 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, 324503833255 + ... + 324503833288.

It is an arithmetic number, because the mean of its divisors is an integer number (2920534499448).

Almost surely, 2^{11033130331231} is an apocalyptic number.

11033130331231 is a deficient number, since it is larger than the sum of its proper divisors (649007666561).

11033130331231 is an equidigital number, since it uses as much as digits as its factorization.

11033130331231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649007666560.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 11033130331231 its reverse (13213303133011), we get a palindrome (24246433464242).

The spelling of 11033130331231 in words is "eleven trillion, thirty-three billion, one hundred thirty million, three hundred thirty-one thousand, two hundred thirty-one".