213043443100 has 18 divisors (see below), whose sum is σ = 462304271744. Its totient is φ = 85217377200.

The previous prime is 213043443091. The next prime is 213043443113. The reversal of 213043443100 is 1344340312.

213043443100 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-3 number, since 3×213043443100³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 1065217116 + ... + 1065217315.

Almost surely, 2^213043443100 is an apocalyptic number.

213043443100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213043443100 is an abundant number, since it is smaller than the sum of its proper divisors (249260828644).

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

213043443100 is a wasteful number, since it uses less digits than its factorization.

213043443100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130434445 (or 2130434438 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213043443100 its reverse (1344340312), we get a palindrome (214387783412).

The spelling of 213043443100 in words is "two hundred thirteen billion, forty-three million, four hundred forty-three thousand, one hundred".