1303420404413 has 2 divisors, whose sum is σ = 1303420404414. Its totient is φ = 1303420404412.

The previous prime is 1303420404373. The next prime is 1303420404421. The reversal of 1303420404413 is 3144040243031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 851563531204 + 451856873209 = 922802^2 + 672203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303420404413 - 2¹⁶ = 1303420338877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303420434413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651710202206 + 651710202207.

It is an arithmetic number, because the mean of its divisors is an integer number (651710202207).

Almost surely, 2^{1303420404413} is an apocalyptic number.

It is an amenable number.

1303420404413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303420404413 is an equidigital number, since it uses as much as digits as its factorization.

1303420404413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1303420404413 its reverse (3144040243031), we get a palindrome (4447460647444).

The spelling of 1303420404413 in words is "one trillion, three hundred three billion, four hundred twenty million, four hundred four thousand, four hundred thirteen".