13220312003 has 2 divisors, whose sum is σ = 13220312004. Its totient is φ = 13220312002.

The previous prime is 13220311957. The next prime is 13220312029. The reversal of 13220312003 is 30021302231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13220312003 - 2⁸ = 13220311747 is a prime.

It is not a weakly prime, because it can be changed into another prime (13220312033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610156001 + 6610156002.

It is an arithmetic number, because the mean of its divisors is an integer number (6610156002).

Almost surely, 2^13220312003 is an apocalyptic number.

13220312003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220312003 is an equidigital number, since it uses as much as digits as its factorization.

13220312003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13220312003 its reverse (30021302231), we get a palindrome (43241614234).

The spelling of 13220312003 in words is "thirteen billion, two hundred twenty million, three hundred twelve thousand, three".