213242420147 has 2 divisors, whose sum is σ = 213242420148. Its totient is φ = 213242420146.

The previous prime is 213242420099. The next prime is 213242420201. The reversal of 213242420147 is 741024242312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213242420147 - 2⁸ = 213242419891 is a prime.

It is not a weakly prime, because it can be changed into another prime (213242420047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106621210073 + 106621210074.

It is an arithmetic number, because the mean of its divisors is an integer number (106621210074).

Almost surely, 2^213242420147 is an apocalyptic number.

213242420147 is a deficient number, since it is larger than the sum of its proper divisors (1).

213242420147 is an equidigital number, since it uses as much as digits as its factorization.

213242420147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 213242420147 its reverse (741024242312), we get a palindrome (954266662459).

The spelling of 213242420147 in words is "two hundred thirteen billion, two hundred forty-two million, four hundred twenty thousand, one hundred forty-seven".