213401203420330 has 16 divisors (see below), whose sum is σ = 384123504466440. Its totient is φ = 85360183965952.

The previous prime is 213401203420277. The next prime is 213401203420357. The reversal of 213401203420330 is 33024302104312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 200048690836449 + 13352512583881 = 14143857^2 + 3654109^2 .

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 7 ways as a sum of consecutive naturals, for example, 34149835 + ... + 39912574.

Almost surely, 2^{213401203420330} is an apocalyptic number.

213401203420330 is a deficient number, since it is larger than the sum of its proper divisors (170722301046110).

213401203420330 is a wasteful number, since it uses less digits than its factorization.

213401203420330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74350553.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 213401203420330 its reverse (33024302104312), we get a palindrome (246425505524642).

The spelling of 213401203420330 in words is "two hundred thirteen trillion, four hundred one billion, two hundred three million, four hundred twenty thousand, three hundred thirty".