201243213304430 has 64 divisors (see below), whose sum is σ = 405376995437568. Its totient is φ = 71297460178560.

The previous prime is 201243213304351. The next prime is 201243213304447. The reversal of 201243213304430 is 34403312342102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51706742 + ... + 55462361.

It is an arithmetic number, because the mean of its divisors is an integer number (6334015553712).

Almost surely, 2^{201243213304430} is an apocalyptic number.

201243213304430 is an abundant number, since it is smaller than the sum of its proper divisors (204133782133138).

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

201243213304430 is a wasteful number, since it uses less digits than its factorization.

201243213304430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107169561.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 201243213304430 its reverse (34403312342102), we get a palindrome (235646525646532).

The spelling of 201243213304430 in words is "two hundred one trillion, two hundred forty-three billion, two hundred thirteen million, three hundred four thousand, four hundred thirty".