13421402303 has 2 divisors, whose sum is σ = 13421402304. Its totient is φ = 13421402302.

The previous prime is 13421402299. The next prime is 13421402317. The reversal of 13421402303 is 30320412431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13421402303 - 2² = 13421402299 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13421402363) 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, 6710701151 + 6710701152.

It is an arithmetic number, because the mean of its divisors is an integer number (6710701152).

Almost surely, 2^13421402303 is an apocalyptic number.

13421402303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421402303 is an equidigital number, since it uses as much as digits as its factorization.

13421402303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13421402303 its reverse (30320412431), we get a palindrome (43741814734).

The spelling of 13421402303 in words is "thirteen billion, four hundred twenty-one million, four hundred two thousand, three hundred three".