313221550103503 has 2 divisors, whose sum is σ = 313221550103504. Its totient is φ = 313221550103502.

The previous prime is 313221550103479. The next prime is 313221550103531. The reversal of 313221550103503 is 305301055122313.

It is a weak prime.

It is an emirp because it is prime and its reverse (305301055122313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313221550103503 - 2⁹ = 313221550102991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313221550103563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156610775051751 + 156610775051752.

It is an arithmetic number, because the mean of its divisors is an integer number (156610775051752).

Almost surely, 2^{313221550103503} is an apocalyptic number.

313221550103503 is a deficient number, since it is larger than the sum of its proper divisors (1).

313221550103503 is an equidigital number, since it uses as much as digits as its factorization.

313221550103503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 34.

The spelling of 313221550103503 in words is "three hundred thirteen trillion, two hundred twenty-one billion, five hundred fifty million, one hundred three thousand, five hundred three".