213351244000 has 48 divisors (see below), whose sum is σ = 524204016336. Its totient is φ = 85340496000.

The previous prime is 213351243967. The next prime is 213351244103. The reversal of 213351244000 is 442153312.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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, 26664906 + ... + 26672905.

It is an arithmetic number, because the mean of its divisors is an integer number (10920917007).

Almost surely, 2^213351244000 is an apocalyptic number.

213351244000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213351244000 is an abundant number, since it is smaller than the sum of its proper divisors (310852772336).

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

213351244000 is an equidigital number, since it uses as much as digits as its factorization.

213351244000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53337836 (or 53337818 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 213351244000 its reverse (442153312), we get a palindrome (213793397312).

The spelling of 213351244000 in words is "two hundred thirteen billion, three hundred fifty-one million, two hundred forty-four thousand".