231212223020333 has 2 divisors, whose sum is σ = 231212223020334. Its totient is φ = 231212223020332.

The previous prime is 231212223020279. The next prime is 231212223020341. The reversal of 231212223020333 is 333020322212132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194881683760009 + 36330539260324 = 13960003^2 + 6027482^2 .

It is a cyclic number.

It is not a de Polignac number, because 231212223020333 - 2²⁶ = 231212155911469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231212223020296 and 231212223020305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231212223020033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115606111510166 + 115606111510167.

It is an arithmetic number, because the mean of its divisors is an integer number (115606111510167).

Almost surely, 2^{231212223020333} is an apocalyptic number.

It is an amenable number.

231212223020333 is a deficient number, since it is larger than the sum of its proper divisors (1).

231212223020333 is an equidigital number, since it uses as much as digits as its factorization.

231212223020333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231212223020333 its reverse (333020322212132), we get a palindrome (564232545232465).

The spelling of 231212223020333 in words is "two hundred thirty-one trillion, two hundred twelve billion, two hundred twenty-three million, twenty thousand, three hundred thirty-three".