31232212133333 has 2 divisors, whose sum is σ = 31232212133334. Its totient is φ = 31232212133332.

The previous prime is 31232212133273. The next prime is 31232212133389. The reversal of 31232212133333 is 33333121223213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17298961276804 + 13933250856529 = 4159202^2 + 3732727^2 .

It is a cyclic number.

It is not a de Polignac number, because 31232212133333 - 2²⁰ = 31232211084757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31232212133333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31232215133333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616106066666 + 15616106066667.

It is an arithmetic number, because the mean of its divisors is an integer number (15616106066667).

Almost surely, 2^{31232212133333} is an apocalyptic number.

It is an amenable number.

31232212133333 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232212133333 is an equidigital number, since it uses as much as digits as its factorization.

31232212133333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 32.

Adding to 31232212133333 its reverse (33333121223213), we get a palindrome (64565333356546).

The spelling of 31232212133333 in words is "thirty-one trillion, two hundred thirty-two billion, two hundred twelve million, one hundred thirty-three thousand, three hundred thirty-three".