213214240424 has 16 divisors (see below), whose sum is σ = 399791120820. Its totient is φ = 106603274880.

The previous prime is 213214240417. The next prime is 213214240427. The reversal of 213214240424 is 424042412312.

It is a happy number.

213214240424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209699884900 + 3514355524 = 457930^2 + 59282^2 .

It is not an unprimeable number, because it can be changed into a prime (213214240427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237797 + ... + 694964.

Almost surely, 2^213214240424 is an apocalyptic number.

It is an amenable number.

213214240424 is a deficient number, since it is larger than the sum of its proper divisors (186576880396).

213214240424 is a wasteful number, since it uses less digits than its factorization.

213214240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961340 (or 961336 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 213214240424 its reverse (424042412312), we get a palindrome (637256652736).

The spelling of 213214240424 in words is "two hundred thirteen billion, two hundred fourteen million, two hundred forty thousand, four hundred twenty-four".