10315321 has 4 divisors (see below), whose sum is σ = 10396672. Its totient is φ = 10233972.

The previous prime is 10315307. The next prime is 10315363. The reversal of 10315321 is 12351301.

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 10315321 - 2¹¹ = 10313273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10315295 and 10315304.

It is not an unprimeable number, because it can be changed into a prime (10315381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40485 + ... + 40738.

It is an arithmetic number, because the mean of its divisors is an integer number (2599168).

Almost surely, 2^10315321 is an apocalyptic number.

It is an amenable number.

10315321 is a deficient number, since it is larger than the sum of its proper divisors (81351).

10315321 is an equidigital number, since it uses as much as digits as its factorization.

10315321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81350.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 10315321 is about 3211.7473437367. The cubic root of 10315321 is about 217.6845379720.

Adding to 10315321 its reverse (12351301), we get a palindrome (22666622).

The spelling of 10315321 in words is "ten million, three hundred fifteen thousand, three hundred twenty-one".