13430401221403 has 16 divisors (see below), whose sum is σ = 14275213848000. Its totient is φ = 12591688947712.

The previous prime is 13430401221397. The next prime is 13430401221409. The reversal of 13430401221403 is 30412210403431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13430401221397) and next prime (13430401221409).

It is a cyclic number.

It is not a de Polignac number, because 13430401221403 - 2⁵ = 13430401221371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13430401221409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34373043 + ... + 34761571.

It is an arithmetic number, because the mean of its divisors is an integer number (892200865500).

Almost surely, 2^{13430401221403} is an apocalyptic number.

13430401221403 is a deficient number, since it is larger than the sum of its proper divisors (844812626597).

13430401221403 is a wasteful number, since it uses less digits than its factorization.

13430401221403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396374.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13430401221403 its reverse (30412210403431), we get a palindrome (43842611624834).

The spelling of 13430401221403 in words is "thirteen trillion, four hundred thirty billion, four hundred one million, two hundred twenty-one thousand, four hundred three".