213530422344 has 32 divisors (see below), whose sum is σ = 537901071840. Its totient is φ = 70633472000.

The previous prime is 213530422331. The next prime is 213530422351. The reversal of 213530422344 is 443224035312.

213530422344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33955257 + ... + 33961544.

It is an arithmetic number, because the mean of its divisors is an integer number (16809408495).

Almost surely, 2^213530422344 is an apocalyptic number.

213530422344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213530422344 is an abundant number, since it is smaller than the sum of its proper divisors (324370649496).

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

213530422344 is a wasteful number, since it uses less digits than its factorization.

213530422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67916941 (or 67916937 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 213530422344 its reverse (443224035312), we get a palindrome (656754457656).

The spelling of 213530422344 in words is "two hundred thirteen billion, five hundred thirty million, four hundred twenty-two thousand, three hundred forty-four".