10312013 has 4 divisors (see below), whose sum is σ = 10918620. Its totient is φ = 9705408.

The previous prime is 10312007. The next prime is 10312021. The reversal of 10312013 is 31021301.

10312013 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8779369 + 1532644 = 2963^2 + 1238^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312013 - 2⁴ = 10311997 is a prime.

It is a super-2 number, since 2×10312013² = 212675224224338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311985 and 10312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312213) 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, 303278 + ... + 303311.

It is an arithmetic number, because the mean of its divisors is an integer number (2729655).

Almost surely, 2^10312013 is an apocalyptic number.

It is an amenable number.

10312013 is a deficient number, since it is larger than the sum of its proper divisors (606607).

10312013 is an equidigital number, since it uses as much as digits as its factorization.

10312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606606.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 10312013 is about 3211.2323179739. The cubic root of 10312013 is about 217.6612658753.

Adding to 10312013 its reverse (31021301), we get a palindrome (41333314).

The spelling of 10312013 in words is "ten million, three hundred twelve thousand, thirteen".