213206312047 has 2 divisors, whose sum is σ = 213206312048. Its totient is φ = 213206312046.

The previous prime is 213206312041. The next prime is 213206312063. The reversal of 213206312047 is 740213602312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213206312047 - 2⁷ = 213206311919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213206312041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106603156023 + 106603156024.

It is an arithmetic number, because the mean of its divisors is an integer number (106603156024).

Almost surely, 2^213206312047 is an apocalyptic number.

213206312047 is a deficient number, since it is larger than the sum of its proper divisors (1).

213206312047 is an equidigital number, since it uses as much as digits as its factorization.

213206312047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 213206312047 its reverse (740213602312), we get a palindrome (953419914359).

The spelling of 213206312047 in words is "two hundred thirteen billion, two hundred six million, three hundred twelve thousand, forty-seven".