143321321413 has 2 divisors, whose sum is σ = 143321321414. Its totient is φ = 143321321412.

The previous prime is 143321321411. The next prime is 143321321461. The reversal of 143321321413 is 314123123341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87345073764 + 55976247649 = 295542^2 + 236593^2 .

It is a cyclic number.

It is not a de Polignac number, because 143321321413 - 2¹ = 143321321411 is a prime.

Together with 143321321411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143321321411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71660660706 + 71660660707.

It is an arithmetic number, because the mean of its divisors is an integer number (71660660707).

Almost surely, 2^143321321413 is an apocalyptic number.

It is an amenable number.

143321321413 is a deficient number, since it is larger than the sum of its proper divisors (1).

143321321413 is an equidigital number, since it uses as much as digits as its factorization.

143321321413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

Adding to 143321321413 its reverse (314123123341), we get a palindrome (457444444754).

The spelling of 143321321413 in words is "one hundred forty-three billion, three hundred twenty-one million, three hundred twenty-one thousand, four hundred thirteen".