213433334044 has 24 divisors (see below), whose sum is σ = 436793802368. Its totient is φ = 89344185840.

The previous prime is 213433334039. The next prime is 213433334057. The reversal of 213433334044 is 440433334312.

213433334044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213433334044² (a number of 23 digits) contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 88633902 + ... + 88636309.

Almost surely, 2^213433334044 is an apocalyptic number.

It is an amenable number.

213433334044 is an abundant number, since it is smaller than the sum of its proper divisors (223360468324).

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

213433334044 is a wasteful number, since it uses less digits than its factorization.

213433334044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177270265 (or 177270263 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 213433334044 its reverse (440433334312), we get a palindrome (653866668356).

The spelling of 213433334044 in words is "two hundred thirteen billion, four hundred thirty-three million, three hundred thirty-four thousand, forty-four".