213141323009 has 2 divisors, whose sum is σ = 213141323010. Its totient is φ = 213141323008.

The previous prime is 213141322993. The next prime is 213141323027. The reversal of 213141323009 is 900323141312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183650817025 + 29490505984 = 428545^2 + 171728^2 .

It is a cyclic number.

It is not a de Polignac number, because 213141323009 - 2⁴ = 213141322993 is a prime.

It is not a weakly prime, because it can be changed into another prime (213141323039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106570661504 + 106570661505.

It is an arithmetic number, because the mean of its divisors is an integer number (106570661505).

Almost surely, 2^213141323009 is an apocalyptic number.

It is an amenable number.

213141323009 is a deficient number, since it is larger than the sum of its proper divisors (1).

213141323009 is an equidigital number, since it uses as much as digits as its factorization.

213141323009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 213141323009 in words is "two hundred thirteen billion, one hundred forty-one million, three hundred twenty-three thousand, nine".