213124441434 has 8 divisors (see below), whose sum is σ = 426248882880. Its totient is φ = 71041480476.

The previous prime is 213124441367. The next prime is 213124441441. The reversal of 213124441434 is 434144421312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

213124441434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 213124441395 and 213124441404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17760370114 + ... + 17760370125.

It is an arithmetic number, because the mean of its divisors is an integer number (53281110360).

Almost surely, 2^213124441434 is an apocalyptic number.

213124441434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213124441434 is a wasteful number, since it uses less digits than its factorization.

213124441434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35520740244.

The product of its digits is 36864, while the sum is 33.

Adding to 213124441434 its reverse (434144421312), we get a palindrome (647268862746).

The spelling of 213124441434 in words is "two hundred thirteen billion, one hundred twenty-four million, four hundred forty-one thousand, four hundred thirty-four".