213144404402 has 8 divisors (see below), whose sum is σ = 327151876656. Its totient is φ = 104093778852.

The previous prime is 213144404351. The next prime is 213144404503. The reversal of 213144404402 is 204404441312.

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

It is a super-3 number, since 3×213144404402³ (a number of 35 digits) contains 333 as substring.

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, 1239211568 + ... + 1239211739.

It is an arithmetic number, because the mean of its divisors is an integer number (40893984582).

Almost surely, 2^213144404402 is an apocalyptic number.

213144404402 is a deficient number, since it is larger than the sum of its proper divisors (114007472254).

213144404402 is a wasteful number, since it uses less digits than its factorization.

213144404402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478423352.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 213144404402 its reverse (204404441312), we get a palindrome (417548845714).

The spelling of 213144404402 in words is "two hundred thirteen billion, one hundred forty-four million, four hundred four thousand, four hundred two".