3221312313203 has 2 divisors, whose sum is σ = 3221312313204. Its totient is φ = 3221312313202.

The previous prime is 3221312313143. The next prime is 3221312313223. The reversal of 3221312313203 is 3023132131223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3221312313203 - 2¹⁸ = 3221312051059 is a prime.

It is not a weakly prime, because it can be changed into another prime (3221312313223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610656156601 + 1610656156602.

It is an arithmetic number, because the mean of its divisors is an integer number (1610656156602).

Almost surely, 2^{3221312313203} is an apocalyptic number.

3221312313203 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221312313203 is an equidigital number, since it uses as much as digits as its factorization.

3221312313203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3221312313203 its reverse (3023132131223), we get a palindrome (6244444444426).

The spelling of 3221312313203 in words is "three trillion, two hundred twenty-one billion, three hundred twelve million, three hundred thirteen thousand, two hundred three".