212431015333 has 2 divisors, whose sum is σ = 212431015334. Its totient is φ = 212431015332.

The previous prime is 212431015331. The next prime is 212431015337. The reversal of 212431015333 is 333510134212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182549398564 + 29881616769 = 427258^2 + 172863^2 .

It is a cyclic number.

It is not a de Polignac number, because 212431015333 - 2¹ = 212431015331 is a prime.

It is a super-2 number, since 2×212431015333² (a number of 23 digits) contains 22 as substring.

Together with 212431015331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212431015331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106215507666 + 106215507667.

It is an arithmetic number, because the mean of its divisors is an integer number (106215507667).

Almost surely, 2^212431015333 is an apocalyptic number.

It is an amenable number.

212431015333 is a deficient number, since it is larger than the sum of its proper divisors (1).

212431015333 is an equidigital number, since it uses as much as digits as its factorization.

212431015333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 212431015333 its reverse (333510134212), we get a palindrome (545941149545).

The spelling of 212431015333 in words is "two hundred twelve billion, four hundred thirty-one million, fifteen thousand, three hundred thirty-three".