10310220321 has 4 divisors (see below), whose sum is σ = 13746960432. Its totient is φ = 6873480212.

The previous prime is 10310220317. The next prime is 10310220329. The reversal of 10310220321 is 12302201301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10310220321 - 2² = 10310220317 is a prime.

It is a super-2 number, since 2×10310220321² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10310220321.

It is not an unprimeable number, because it can be changed into a prime (10310220329) 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, 1718370051 + ... + 1718370056.

It is an arithmetic number, because the mean of its divisors is an integer number (3436740108).

Almost surely, 2^10310220321 is an apocalyptic number.

It is an amenable number.

10310220321 is a deficient number, since it is larger than the sum of its proper divisors (3436740111).

10310220321 is an equidigital number, since it uses as much as digits as its factorization.

10310220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436740110.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10310220321 its reverse (12302201301), we get a palindrome (22612421622).

The spelling of 10310220321 in words is "ten billion, three hundred ten million, two hundred twenty thousand, three hundred twenty-one".