1343220001 has 2 divisors, whose sum is σ = 1343220002.
Its totient is φ = 1343220000.
The previous prime is 1343219993. The next prime is 1343220037. The reversal of 1343220001 is 1000223431.
Adding to 1343220001 its reverse (1000223431), we get a palindrome (2343443432).
It can be divided in two parts, 13432 and 20001, that added together give a palindrome (33433).
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 941016976 + 402203025 = 30676^2 + 20055^2
It is an emirp because it is prime and its reverse (1000223431) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1343220001 - 23 = 1343219993 is a prime.
It is not a weakly prime, because it can be changed into another prime (1343220041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671610000 + 671610001.
It is an arithmetic number, because the mean of its divisors is an integer number (671610001).
Almost surely, 21343220001 is an apocalyptic number.
It is an amenable number.
1343220001 is a deficient number, since it is larger than the sum of its proper divisors (1).
1343220001 is an equidigital number, since it uses as much as digits as its factorization.
1343220001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1343220001 is about 36649.9659072147.
The cubic root of 1343220001 is about 1103.3561413328.
The spelling of 1343220001 in words is "one billion, three hundred forty-three million, two hundred twenty thousand, one".