10231813 has 2 divisors, whose sum is σ = 10231814. Its totient is φ = 10231812.

The previous prime is 10231801. The next prime is 10231817. The reversal of 10231813 is 31813201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9529569 + 702244 = 3087^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231813 - 2⁹ = 10231301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10231817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115906 + 5115907.

It is an arithmetic number, because the mean of its divisors is an integer number (5115907).

Almost surely, 2^10231813 is an apocalyptic number.

It is an amenable number.

10231813 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231813 is an equidigital number, since it uses as much as digits as its factorization.

10231813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 10231813 is about 3198.7205254601. The cubic root of 10231813 is about 217.0955216657.

The spelling of 10231813 in words is "ten million, two hundred thirty-one thousand, eight hundred thirteen".