213053434235 has 24 divisors (see below), whose sum is σ = 275308355616. Its totient is φ = 158219136000.

The previous prime is 213053434219. The next prime is 213053434241. The reversal of 213053434235 is 532434350312.

It is not a de Polignac number, because 213053434235 - 2⁴ = 213053434219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213053434195 and 213053434204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 904391 + ... + 1115360.

It is an arithmetic number, because the mean of its divisors is an integer number (11471181484).

Almost surely, 2^213053434235 is an apocalyptic number.

213053434235 is a deficient number, since it is larger than the sum of its proper divisors (62254921381).

213053434235 is a wasteful number, since it uses less digits than its factorization.

213053434235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019863 (or 2019846 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 213053434235 its reverse (532434350312), we get a palindrome (745487784547).

The spelling of 213053434235 in words is "two hundred thirteen billion, fifty-three million, four hundred thirty-four thousand, two hundred thirty-five".