213341087 has 2 divisors, whose sum is σ = 213341088. Its totient is φ = 213341086.

The previous prime is 213341071. The next prime is 213341111. The reversal of 213341087 is 780143312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213341087 - 2⁴ = 213341071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213341027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106670543 + 106670544.

It is an arithmetic number, because the mean of its divisors is an integer number (106670544).

Almost surely, 2^213341087 is an apocalyptic number.

213341087 is a deficient number, since it is larger than the sum of its proper divisors (1).

213341087 is an equidigital number, since it uses as much as digits as its factorization.

213341087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 213341087 is about 14606.2002930262. The cubic root of 213341087 is about 597.5278718113.

Adding to 213341087 its reverse (780143312), we get a palindrome (993484399).

The spelling of 213341087 in words is "two hundred thirteen million, three hundred forty-one thousand, eighty-seven".