213043311234 has 48 divisors (see below), whose sum is σ = 497185084032. Its totient is φ = 65540708064.

The previous prime is 213043311227. The next prime is 213043311241. The reversal of 213043311234 is 432113340312.

It is a happy number.

213043311234 is a `hidden beast` number, since 2 + 1 + 304 + 331 + 1 + 23 + 4 = 666.

213043311234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (213043311227) and next prime (213043311241).

It is a junction number, because it is equal to n+sod(n) for n = 213043311198 and 213043311207.

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 23 ways as a sum of consecutive naturals, for example, 1368279 + ... + 1516005.

It is an arithmetic number, because the mean of its divisors is an integer number (10358022584).

Almost surely, 2^213043311234 is an apocalyptic number.

213043311234 is an abundant number, since it is smaller than the sum of its proper divisors (284141772798).

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

213043311234 is a wasteful number, since it uses less digits than its factorization.

213043311234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153911 (or 153908 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213043311234 its reverse (432113340312), we get a palindrome (645156651546).

The spelling of 213043311234 in words is "two hundred thirteen billion, forty-three million, three hundred eleven thousand, two hundred thirty-four".