213103103430434 has 16 divisors (see below), whose sum is σ = 365325375817536. Its totient is φ = 91328458986000.

The previous prime is 213103103430421. The next prime is 213103103430467. The reversal of 213103103430434 is 434034301301312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213103103430434.

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, 119288717 + ... + 121061984.

It is an arithmetic number, because the mean of its divisors is an integer number (22832835988596).

Almost surely, 2^{213103103430434} is an apocalyptic number.

213103103430434 is a deficient number, since it is larger than the sum of its proper divisors (152222272387102).

213103103430434 is a wasteful number, since it uses less digits than its factorization.

213103103430434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240414041.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 213103103430434 its reverse (434034301301312), we get a palindrome (647137404731746).

The spelling of 213103103430434 in words is "two hundred thirteen trillion, one hundred three billion, one hundred three million, four hundred thirty thousand, four hundred thirty-four".