213002023434 has 64 divisors (see below), whose sum is σ = 441596513280. Its totient is φ = 68421749760.

The previous prime is 213002023393. The next prime is 213002023441. The reversal of 213002023434 is 434320200312.

213002023434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68509872 + ... + 68512980.

It is an arithmetic number, because the mean of its divisors is an integer number (6899945520).

Almost surely, 2^213002023434 is an apocalyptic number.

213002023434 is an abundant number, since it is smaller than the sum of its proper divisors (228594489846).

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

213002023434 is a wasteful number, since it uses less digits than its factorization.

213002023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 213002023434 its reverse (434320200312), we get a palindrome (647322223746).

The spelling of 213002023434 in words is "two hundred thirteen billion, two million, twenty-three thousand, four hundred thirty-four".