10301312321 has 4 divisors (see below), whose sum is σ = 10309778052. Its totient is φ = 10292846592.

The previous prime is 10301312311. The next prime is 10301312341. The reversal of 10301312321 is 12321310301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12321310301 = 29 ⋅424872769.

It can be written as a sum of positive squares in 2 ways, for example, as 3087358096 + 7213954225 = 55564^2 + 84935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10301312321 is a prime.

It is a super-2 number, since 2×10301312321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10301312321.

It is not an unprimeable number, because it can be changed into a prime (10301312311) 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, 4231040 + ... + 4233473.

It is an arithmetic number, because the mean of its divisors is an integer number (2577444513).

Almost surely, 2^10301312321 is an apocalyptic number.

It is an amenable number.

10301312321 is a deficient number, since it is larger than the sum of its proper divisors (8465731).

10301312321 is an equidigital number, since it uses as much as digits as its factorization.

10301312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465730.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10301312321 its reverse (12321310301), we get a palindrome (22622622622).

The spelling of 10301312321 in words is "ten billion, three hundred one million, three hundred twelve thousand, three hundred twenty-one".