233131300412221 has 2 divisors, whose sum is σ = 233131300412222. Its totient is φ = 233131300412220.

The previous prime is 233131300412207. The next prime is 233131300412267. The reversal of 233131300412221 is 122214003131332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216137365995321 + 16993934416900 = 14701611^2 + 4122370^2 .

It is a cyclic number.

It is not a de Polignac number, because 233131300412221 - 2¹⁷ = 233131300281149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233131300412221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233131300412281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116565650206110 + 116565650206111.

It is an arithmetic number, because the mean of its divisors is an integer number (116565650206111).

Almost surely, 2^{233131300412221} is an apocalyptic number.

It is an amenable number.

233131300412221 is a deficient number, since it is larger than the sum of its proper divisors (1).

233131300412221 is an equidigital number, since it uses as much as digits as its factorization.

233131300412221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 233131300412221 its reverse (122214003131332), we get a palindrome (355345303543553).

The spelling of 233131300412221 in words is "two hundred thirty-three trillion, one hundred thirty-one billion, three hundred million, four hundred twelve thousand, two hundred twenty-one".