213413340424 has 32 divisors (see below), whose sum is σ = 431017136640. Its totient is φ = 98774755200.

The previous prime is 213413340421. The next prime is 213413340443. The reversal of 213413340424 is 424043314312.

It is a super-2 number, since 2×213413340424² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (213413340421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18701637 + ... + 18713044.

It is an arithmetic number, because the mean of its divisors is an integer number (13469285520).

Almost surely, 2^213413340424 is an apocalyptic number.

It is an amenable number.

213413340424 is an abundant number, since it is smaller than the sum of its proper divisors (217603796216).

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

213413340424 is a wasteful number, since it uses less digits than its factorization.

213413340424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37414741 (or 37414737 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 213413340424 its reverse (424043314312), we get a palindrome (637456654736).

The spelling of 213413340424 in words is "two hundred thirteen billion, four hundred thirteen million, three hundred forty thousand, four hundred twenty-four".