213034344353 has 2 divisors, whose sum is σ = 213034344354. Its totient is φ = 213034344352.

The previous prime is 213034344329. The next prime is 213034344373. The reversal of 213034344353 is 353443430312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196791606544 + 16242737809 = 443612^2 + 127447^2 .

It is a cyclic number.

It is not a de Polignac number, because 213034344353 - 2¹⁰ = 213034343329 is a prime.

It is not a weakly prime, because it can be changed into another prime (213034344373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106517172176 + 106517172177.

It is an arithmetic number, because the mean of its divisors is an integer number (106517172177).

Almost surely, 2^213034344353 is an apocalyptic number.

It is an amenable number.

213034344353 is a deficient number, since it is larger than the sum of its proper divisors (1).

213034344353 is an equidigital number, since it uses as much as digits as its factorization.

213034344353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 213034344353 its reverse (353443430312), we get a palindrome (566477774665).

The spelling of 213034344353 in words is "two hundred thirteen billion, thirty-four million, three hundred forty-four thousand, three hundred fifty-three".