313021321103 has 2 divisors, whose sum is σ = 313021321104. Its totient is φ = 313021321102.

The previous prime is 313021321061. The next prime is 313021321121. The reversal of 313021321103 is 301123120313.

It is a strong prime.

It is an emirp because it is prime and its reverse (301123120313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313021321103 - 2⁸ = 313021320847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313021321183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156510660551 + 156510660552.

It is an arithmetic number, because the mean of its divisors is an integer number (156510660552).

Almost surely, 2^313021321103 is an apocalyptic number.

313021321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

313021321103 is an equidigital number, since it uses as much as digits as its factorization.

313021321103 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 20.

Adding to 313021321103 its reverse (301123120313), we get a palindrome (614144441416).

The spelling of 313021321103 in words is "three hundred thirteen billion, twenty-one million, three hundred twenty-one thousand, one hundred three".