213043305144 has 32 divisors (see below), whose sum is σ = 532620789120. Its totient is φ = 71012764896.

The previous prime is 213043305133. The next prime is 213043305191. The reversal of 213043305144 is 441503340312.

It is a congruent number.

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, 1352067 + ... + 1501389.

It is an arithmetic number, because the mean of its divisors is an integer number (16644399660).

Almost surely, 2^213043305144 is an apocalyptic number.

213043305144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213043305144 is an abundant number, since it is smaller than the sum of its proper divisors (319577483976).

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

213043305144 is a wasteful number, since it uses less digits than its factorization.

213043305144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208779 (or 208775 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 213043305144 its reverse (441503340312), we get a palindrome (654546645456).

The spelling of 213043305144 in words is "two hundred thirteen billion, forty-three million, three hundred five thousand, one hundred forty-four".