213232342240 has 48 divisors (see below), whose sum is σ = 515476806768. Its totient is φ = 83309377536.

The previous prime is 213232342237. The next prime is 213232342241. The reversal of 213232342240 is 42243232312.

It is a junction number, because it is equal to n+sod(n) for n = 213232342199 and 213232342208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232342241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15489657 + ... + 15503416.

It is an arithmetic number, because the mean of its divisors is an integer number (10739100141).

Almost surely, 2^213232342240 is an apocalyptic number.

213232342240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213232342240 is an abundant number, since it is smaller than the sum of its proper divisors (302244464528).

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

213232342240 is a wasteful number, since it uses less digits than its factorization.

213232342240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30993131 (or 30993123 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 213232342240 its reverse (42243232312), we get a palindrome (255475574552).

The spelling of 213232342240 in words is "two hundred thirteen billion, two hundred thirty-two million, three hundred forty-two thousand, two hundred forty".