5531231033 has 2 divisors, whose sum is σ = 5531231034. Its totient is φ = 5531231032.

The previous prime is 5531230981. The next prime is 5531231081. The reversal of 5531231033 is 3301321355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4868271529 + 662959504 = 69773^2 + 25748^2 .

It is a cyclic number.

It is not a de Polignac number, because 5531231033 - 2²⁰ = 5530182457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5531230993 and 5531231011.

It is not a weakly prime, because it can be changed into another prime (5531231933) 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 as a sum of consecutive naturals, namely, 2765615516 + 2765615517.

It is an arithmetic number, because the mean of its divisors is an integer number (2765615517).

Almost surely, 2^5531231033 is an apocalyptic number.

It is an amenable number.

5531231033 is a deficient number, since it is larger than the sum of its proper divisors (1).

5531231033 is an equidigital number, since it uses as much as digits as its factorization.

5531231033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 5531231033 is about 74372.2463893622. The cubic root of 5531231033 is about 1768.5089673292.

Adding to 5531231033 its reverse (3301321355), we get a palindrome (8832552388).

The spelling of 5531231033 in words is "five billion, five hundred thirty-one million, two hundred thirty-one thousand, thirty-three".