213242303313240 has 128 divisors (see below), whose sum is σ = 669432177815040. Its totient is φ = 54238153773056.

The previous prime is 213242303313239. The next prime is 213242303313241. The reversal of 213242303313240 is 42313303242312.

It is an interprime number because it is at equal distance from previous prime (213242303313239) and next prime (213242303313241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213242303313241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108461562 + ... + 110410121.

It is an arithmetic number, because the mean of its divisors is an integer number (5229938889180).

Almost surely, 2^{213242303313240} is an apocalyptic number.

213242303313240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213242303313240 is an abundant number, since it is smaller than the sum of its proper divisors (456189874501800).

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

213242303313240 is a wasteful number, since it uses less digits than its factorization.

213242303313240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218872073 (or 218872069 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 213242303313240 its reverse (42313303242312), we get a palindrome (255555606555552).

The spelling of 213242303313240 in words is "two hundred thirteen trillion, two hundred forty-two billion, three hundred three million, three hundred thirteen thousand, two hundred forty".