213004023324 has 12 divisors (see below), whose sum is σ = 497009387784. Its totient is φ = 71001341104.

The previous prime is 213004023313. The next prime is 213004023371. The reversal of 213004023324 is 423320400312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×213004023324² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213004023294 and 213004023303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8875167627 + ... + 8875167650.

It is an arithmetic number, because the mean of its divisors is an integer number (41417448982).

Almost surely, 2^213004023324 is an apocalyptic number.

It is an amenable number.

213004023324 is an abundant number, since it is smaller than the sum of its proper divisors (284005364460).

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

213004023324 is a wasteful number, since it uses less digits than its factorization.

213004023324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17750335284 (or 17750335282 counting only the distinct ones).

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

Adding to 213004023324 its reverse (423320400312), we get a palindrome (636324423636).

The spelling of 213004023324 in words is "two hundred thirteen billion, four million, twenty-three thousand, three hundred twenty-four".