213343552522 has 16 divisors (see below), whose sum is σ = 321082941960. Its totient is φ = 106316001792.

The previous prime is 213343552519. The next prime is 213343552537. The reversal of 213343552522 is 225255343312.

It can be written as a sum of positive squares in 4 ways, for example, as 124008918201 + 89334634321 = 352149^2 + 298889^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5407138 + ... + 5446450.

Almost surely, 2^213343552522 is an apocalyptic number.

213343552522 is a deficient number, since it is larger than the sum of its proper divisors (107739389438).

213343552522 is a wasteful number, since it uses less digits than its factorization.

213343552522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48297.

The product of its digits is 216000, while the sum is 37.

Adding to 213343552522 its reverse (225255343312), we get a palindrome (438598895834).

The spelling of 213343552522 in words is "two hundred thirteen billion, three hundred forty-three million, five hundred fifty-two thousand, five hundred twenty-two".