10312433821 has 2 divisors, whose sum is σ = 10312433822. Its totient is φ = 10312433820.

The previous prime is 10312433797. The next prime is 10312433861. The reversal of 10312433821 is 12833421301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8521874596 + 1790559225 = 92314^2 + 42315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10312433821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10312433821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312433861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156216910 + 5156216911.

It is an arithmetic number, because the mean of its divisors is an integer number (5156216911).

Almost surely, 2^10312433821 is an apocalyptic number.

It is an amenable number.

10312433821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312433821 is an equidigital number, since it uses as much as digits as its factorization.

10312433821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 10312433821 in words is "ten billion, three hundred twelve million, four hundred thirty-three thousand, eight hundred twenty-one".