233240031133 has 2 divisors, whose sum is σ = 233240031134. Its totient is φ = 233240031132.

The previous prime is 233240031113. The next prime is 233240031191. The reversal of 233240031133 is 331130042332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220522281604 + 12717749529 = 469598^2 + 112773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233240031133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233240031098 and 233240031107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233240031113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116620015566 + 116620015567.

It is an arithmetic number, because the mean of its divisors is an integer number (116620015567).

Almost surely, 2^233240031133 is an apocalyptic number.

It is an amenable number.

233240031133 is a deficient number, since it is larger than the sum of its proper divisors (1).

233240031133 is an equidigital number, since it uses as much as digits as its factorization.

233240031133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 233240031133 its reverse (331130042332), we get a palindrome (564370073465).

The spelling of 233240031133 in words is "two hundred thirty-three billion, two hundred forty million, thirty-one thousand, one hundred thirty-three".