200421034144313 has 2 divisors, whose sum is σ = 200421034144314. Its totient is φ = 200421034144312.

The previous prime is 200421034144267. The next prime is 200421034144369. The reversal of 200421034144313 is 313441430124002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140674117014544 + 59746917129769 = 11860612^2 + 7729613^2 .

It is a cyclic number.

It is not a de Polignac number, because 200421034144313 - 2¹⁴ = 200421034127929 is a prime.

It is a super-2 number, since 2×200421034144313² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200421034144313.

It is not a weakly prime, because it can be changed into another prime (200421034144613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210517072156 + 100210517072157.

It is an arithmetic number, because the mean of its divisors is an integer number (100210517072157).

Almost surely, 2^{200421034144313} is an apocalyptic number.

It is an amenable number.

200421034144313 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421034144313 is an equidigital number, since it uses as much as digits as its factorization.

200421034144313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 200421034144313 its reverse (313441430124002), we get a palindrome (513862464268315).

The spelling of 200421034144313 in words is "two hundred trillion, four hundred twenty-one billion, thirty-four million, one hundred forty-four thousand, three hundred thirteen".