213442255430 has 16 divisors (see below), whose sum is σ = 406795828320. Its totient is φ = 80354731392.

The previous prime is 213442255427. The next prime is 213442255471. The reversal of 213442255430 is 34552244312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627771170 + ... + 627771509.

It is an arithmetic number, because the mean of its divisors is an integer number (25424739270).

Almost surely, 2^213442255430 is an apocalyptic number.

213442255430 is a deficient number, since it is larger than the sum of its proper divisors (193353572890).

213442255430 is a wasteful number, since it uses less digits than its factorization.

213442255430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255542703.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 213442255430 its reverse (34552244312), we get a palindrome (247994499742).

The spelling of 213442255430 in words is "two hundred thirteen billion, four hundred forty-two million, two hundred fifty-five thousand, four hundred thirty".