13401021203 has 2 divisors, whose sum is σ = 13401021204. Its totient is φ = 13401021202.

The previous prime is 13401021187. The next prime is 13401021247. The reversal of 13401021203 is 30212010431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13401021203 - 2⁴ = 13401021187 is a prime.

It is not a weakly prime, because it can be changed into another prime (13401021703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700510601 + 6700510602.

It is an arithmetic number, because the mean of its divisors is an integer number (6700510602).

Almost surely, 2^13401021203 is an apocalyptic number.

13401021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13401021203 is an equidigital number, since it uses as much as digits as its factorization.

13401021203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13401021203 its reverse (30212010431), we get a palindrome (43613031634).

The spelling of 13401021203 in words is "thirteen billion, four hundred one million, twenty-one thousand, two hundred three".