10315213 has 4 divisors (see below), whose sum is σ = 10670940. Its totient is φ = 9959488.

The previous prime is 10315211. The next prime is 10315223. The reversal of 10315213 is 31251301.

10315213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31251301 = 2473 ⋅12637.

It can be written as a sum of positive squares in 2 ways, for example, as 7171684 + 3143529 = 2678^2 + 1773^2 .

It is a cyclic number.

It is not a de Polignac number, because 10315213 - 2¹ = 10315211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10315211) 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, 177820 + ... + 177877.

It is an arithmetic number, because the mean of its divisors is an integer number (2667735).

Almost surely, 2^10315213 is an apocalyptic number.

It is an amenable number.

10315213 is a deficient number, since it is larger than the sum of its proper divisors (355727).

10315213 is an equidigital number, since it uses as much as digits as its factorization.

10315213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355726.

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

The square root of 10315213 is about 3211.7305304150. The cubic root of 10315213 is about 217.6837782602.

Adding to 10315213 its reverse (31251301), we get a palindrome (41566514).

The spelling of 10315213 in words is "ten million, three hundred fifteen thousand, two hundred thirteen".