213443103434 has 32 divisors (see below), whose sum is σ = 350700321600. Its totient is φ = 96622704640.

The previous prime is 213443103347. The next prime is 213443103449. The reversal of 213443103434 is 434301344312.

It is a self number, because there is not a number n which added to its sum of digits gives 213443103434.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21649034 + ... + 21658890.

It is an arithmetic number, because the mean of its divisors is an integer number (10959385050).

Almost surely, 2^213443103434 is an apocalyptic number.

213443103434 is a deficient number, since it is larger than the sum of its proper divisors (137257218166).

213443103434 is a wasteful number, since it uses less digits than its factorization.

213443103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13798.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 213443103434 its reverse (434301344312), we get a palindrome (647744447746).

The spelling of 213443103434 in words is "two hundred thirteen billion, four hundred forty-three million, one hundred three thousand, four hundred thirty-four".