2231244012533 has 2 divisors, whose sum is σ = 2231244012534. Its totient is φ = 2231244012532.

The previous prime is 2231244012433. The next prime is 2231244012601. The reversal of 2231244012533 is 3352104421322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2221223602129 + 10020410404 = 1490377^2 + 100102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231244012533 is a prime.

It is a super-3 number, since 3×2231244012533³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2231244012533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231244012433) 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, 1115622006266 + 1115622006267.

It is an arithmetic number, because the mean of its divisors is an integer number (1115622006267).

Almost surely, 2^{2231244012533} is an apocalyptic number.

It is an amenable number.

2231244012533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231244012533 is an equidigital number, since it uses as much as digits as its factorization.

2231244012533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 2231244012533 its reverse (3352104421322), we get a palindrome (5583348433855).

The spelling of 2231244012533 in words is "two trillion, two hundred thirty-one billion, two hundred forty-four million, twelve thousand, five hundred thirty-three".