3211540522133 has 2 divisors, whose sum is σ = 3211540522134. Its totient is φ = 3211540522132.

The previous prime is 3211540522097. The next prime is 3211540522163. The reversal of 3211540522133 is 3312250451123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2801867558884 + 409672963249 = 1673878^2 + 640057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3211540522133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3211540522133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211540522163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605770261066 + 1605770261067.

It is an arithmetic number, because the mean of its divisors is an integer number (1605770261067).

Almost surely, 2^{3211540522133} is an apocalyptic number.

It is an amenable number.

3211540522133 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211540522133 is an equidigital number, since it uses as much as digits as its factorization.

3211540522133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 3211540522133 its reverse (3312250451123), we get a palindrome (6523790973256).

The spelling of 3211540522133 in words is "three trillion, two hundred eleven billion, five hundred forty million, five hundred twenty-two thousand, one hundred thirty-three".