213411444334 has 16 divisors (see below), whose sum is σ = 349365481776. Its totient is φ = 96964436800.

The previous prime is 213411444313. The next prime is 213411444349. The reversal of 213411444334 is 433444114312.

It is a self number, because there is not a number n which added to its sum of digits gives 213411444334.

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, 1984687 + ... + 2089450.

It is an arithmetic number, because the mean of its divisors is an integer number (21835342611).

Almost surely, 2^213411444334 is an apocalyptic number.

213411444334 is a deficient number, since it is larger than the sum of its proper divisors (135954037442).

213411444334 is a wasteful number, since it uses less digits than its factorization.

213411444334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076531.

The product of its digits is 55296, while the sum is 34.

Adding to 213411444334 its reverse (433444114312), we get a palindrome (646855558646).

The spelling of 213411444334 in words is "two hundred thirteen billion, four hundred eleven million, four hundred forty-four thousand, three hundred thirty-four".