10301320321 has 4 divisors (see below), whose sum is σ = 10442434372. Its totient is φ = 10160206272.

The previous prime is 10301320313. The next prime is 10301320333. The reversal of 10301320321 is 12302310301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6330430096 + 3970890225 = 79564^2 + 63015^2 .

It is a cyclic number.

It is not a de Polignac number, because 10301320321 - 2³ = 10301320313 is a prime.

It is a super-2 number, since 2×10301320321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10301320295 and 10301320304.

It is not an unprimeable number, because it can be changed into a prime (10301320621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70556916 + ... + 70557061.

It is an arithmetic number, because the mean of its divisors is an integer number (2610608593).

Almost surely, 2^10301320321 is an apocalyptic number.

It is an amenable number.

10301320321 is a deficient number, since it is larger than the sum of its proper divisors (141114051).

10301320321 is an equidigital number, since it uses as much as digits as its factorization.

10301320321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141114050.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10301320321 its reverse (12302310301), we get a palindrome (22603630622).

The spelling of 10301320321 in words is "ten billion, three hundred one million, three hundred twenty thousand, three hundred twenty-one".