213443331487 has 2 divisors, whose sum is σ = 213443331488. Its totient is φ = 213443331486.

The previous prime is 213443331373. The next prime is 213443331503. The reversal of 213443331487 is 784133344312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213443331487 - 2²³ = 213434942879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213443371487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106721665743 + 106721665744.

It is an arithmetic number, because the mean of its divisors is an integer number (106721665744).

Almost surely, 2^213443331487 is an apocalyptic number.

213443331487 is a deficient number, since it is larger than the sum of its proper divisors (1).

213443331487 is an equidigital number, since it uses as much as digits as its factorization.

213443331487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 43.

Adding to 213443331487 its reverse (784133344312), we get a palindrome (997576675799).

The spelling of 213443331487 in words is "two hundred thirteen billion, four hundred forty-three million, three hundred thirty-one thousand, four hundred eighty-seven".