13031321203 has 2 divisors, whose sum is σ = 13031321204. Its totient is φ = 13031321202.

The previous prime is 13031321131. The next prime is 13031321263. The reversal of 13031321203 is 30212313031.

13031321203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13031321203 - 2¹³ = 13031313011 is a prime.

It is not a weakly prime, because it can be changed into another prime (13031321263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515660601 + 6515660602.

It is an arithmetic number, because the mean of its divisors is an integer number (6515660602).

Almost surely, 2^13031321203 is an apocalyptic number.

13031321203 is a deficient number, since it is larger than the sum of its proper divisors (1).

13031321203 is an equidigital number, since it uses as much as digits as its factorization.

13031321203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13031321203 its reverse (30212313031), we get a palindrome (43243634234).

The spelling of 13031321203 in words is "thirteen billion, thirty-one million, three hundred twenty-one thousand, two hundred three".