213231103131033 has 12 divisors (see below), whose sum is σ = 331692827092900. Its totient is φ = 131219140388256.

The previous prime is 213231103131019. The next prime is 213231103131071. The reversal of 213231103131033 is 330131301132312.

213231103131033 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 311 + 0 + 3 + 1 + 310 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112956254535744 + 100274848595289 = 10628088^2 + 10013733^2 .

It is not a de Polignac number, because 213231103131033 - 2³⁷ = 213093664177561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213231103130988 and 213231103131006.

It is not an unprimeable number, because it can be changed into a prime (213231103131133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 911244030358 + ... + 911244030591.

Almost surely, 2^{213231103131033} is an apocalyptic number.

It is an amenable number.

213231103131033 is a deficient number, since it is larger than the sum of its proper divisors (118461723961867).

213231103131033 is a wasteful number, since it uses less digits than its factorization.

213231103131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822488060968 (or 1822488060965 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 213231103131033 its reverse (330131301132312), we get a palindrome (543362404263345).

The spelling of 213231103131033 in words is "two hundred thirteen trillion, two hundred thirty-one billion, one hundred three million, one hundred thirty-one thousand, thirty-three".