213301234240 has 56 divisors (see below), whose sum is σ = 508045257720. Its totient is φ = 85300051968.

The previous prime is 213301234219. The next prime is 213301234243. The reversal of 213301234240 is 42432103312.

It can be written as a sum of positive squares in 4 ways, for example, as 25403259456 + 187897974784 = 159384^2 + 433472^2 .

It is not an unprimeable number, because it can be changed into a prime (213301234243) 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, 1294774 + ... + 1450186.

It is an arithmetic number, because the mean of its divisors is an integer number (9072236745).

Almost surely, 2^213301234240 is an apocalyptic number.

213301234240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213301234240 is an abundant number, since it is smaller than the sum of its proper divisors (294744023480).

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

213301234240 is a wasteful number, since it uses less digits than its factorization.

213301234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159719 (or 159709 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213301234240 its reverse (42432103312), we get a palindrome (255733337552).

The spelling of 213301234240 in words is "two hundred thirteen billion, three hundred one million, two hundred thirty-four thousand, two hundred forty".