213424301287 has 2 divisors, whose sum is σ = 213424301288. Its totient is φ = 213424301286.

The previous prime is 213424301269. The next prime is 213424301351. The reversal of 213424301287 is 782103424312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213424301287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213424307287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106712150643 + 106712150644.

It is an arithmetic number, because the mean of its divisors is an integer number (106712150644).

Almost surely, 2^213424301287 is an apocalyptic number.

213424301287 is a deficient number, since it is larger than the sum of its proper divisors (1).

213424301287 is an equidigital number, since it uses as much as digits as its factorization.

213424301287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

Adding to 213424301287 its reverse (782103424312), we get a palindrome (995527725599).

The spelling of 213424301287 in words is "two hundred thirteen billion, four hundred twenty-four million, three hundred one thousand, two hundred eighty-seven".