10313021303521 has 2 divisors, whose sum is σ = 10313021303522. Its totient is φ = 10313021303520.

The previous prime is 10313021303491. The next prime is 10313021303551. The reversal of 10313021303521 is 12530312031301.

It is a balanced prime because it is at equal distance from previous prime (10313021303491) and next prime (10313021303551).

It can be written as a sum of positive squares in only one way, i.e., 5418024352225 + 4894996951296 = 2327665^2 + 2212464^2 .

It is a cyclic number.

It is not a de Polignac number, because 10313021303521 - 2⁹ = 10313021303009 is a prime.

It is not a weakly prime, because it can be changed into another prime (10313021303551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156510651760 + 5156510651761.

It is an arithmetic number, because the mean of its divisors is an integer number (5156510651761).

Almost surely, 2^{10313021303521} is an apocalyptic number.

It is an amenable number.

10313021303521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10313021303521 is an equidigital number, since it uses as much as digits as its factorization.

10313021303521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 10313021303521 its reverse (12530312031301), we get a palindrome (22843333334822).

The spelling of 10313021303521 in words is "ten trillion, three hundred thirteen billion, twenty-one million, three hundred three thousand, five hundred twenty-one".