2231212330133 has 2 divisors, whose sum is σ = 2231212330134. Its totient is φ = 2231212330132.

The previous prime is 2231212330079. The next prime is 2231212330183. The reversal of 2231212330133 is 3310332121322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1785425095204 + 445787234929 = 1336198^2 + 667673^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231212330133 - 2¹² = 2231212326037 is a prime.

It is a super-3 number, since 3×2231212330133³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231212330183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115606165066 + 1115606165067.

It is an arithmetic number, because the mean of its divisors is an integer number (1115606165067).

Almost surely, 2^{2231212330133} is an apocalyptic number.

It is an amenable number.

2231212330133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231212330133 is an equidigital number, since it uses as much as digits as its factorization.

2231212330133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2231212330133 its reverse (3310332121322), we get a palindrome (5541544451455).

The spelling of 2231212330133 in words is "two trillion, two hundred thirty-one billion, two hundred twelve million, three hundred thirty thousand, one hundred thirty-three".