10311203213 has 4 divisors (see below), whose sum is σ = 10313468508. Its totient is φ = 10308937920.

The previous prime is 10311203191. The next prime is 10311203219. The reversal of 10311203213 is 31230211301.

10311203213 is digitally balanced in base 2, 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 7066419844 + 3244783369 = 84062^2 + 56963^2 .

It is a cyclic number.

It is not a de Polignac number, because 10311203213 - 2¹² = 10311199117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10311203191 and 10311203200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10311203219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125806 + ... + 1134927.

It is an arithmetic number, because the mean of its divisors is an integer number (2578367127).

Almost surely, 2^10311203213 is an apocalyptic number.

It is an amenable number.

10311203213 is a deficient number, since it is larger than the sum of its proper divisors (2265295).

10311203213 is an equidigital number, since it uses as much as digits as its factorization.

10311203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265294.

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

Adding to 10311203213 its reverse (31230211301), we get a palindrome (41541414514).

The spelling of 10311203213 in words is "ten billion, three hundred eleven million, two hundred three thousand, two hundred thirteen".