213243332321024 has 36 divisors (see below), whose sum is σ = 426542312938560. Its totient is φ = 106399073894400.

The previous prime is 213243332320951. The next prime is 213243332321069. The reversal of 213243332321024 is 420123233342312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869378177 + ... + 869623424.

Almost surely, 2^{213243332321024} is an apocalyptic number.

It is an amenable number.

213243332321024 is an abundant number, since it is smaller than the sum of its proper divisors (213298980617536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213243332321024 is an equidigital number, since it uses as much as digits as its factorization.

213243332321024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739002096 (or 1739002082 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 213243332321024 its reverse (420123233342312), we get a palindrome (633366565663336).

The spelling of 213243332321024 in words is "two hundred thirteen trillion, two hundred forty-three billion, three hundred thirty-two million, three hundred twenty-one thousand, twenty-four".