10321130993 has 2 divisors, whose sum is σ = 10321130994. Its totient is φ = 10321130992.

The previous prime is 10321130971. The next prime is 10321131089. The reversal of 10321130993 is 39903112301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9311671009 + 1009459984 = 96497^2 + 31772^2 .

It is a cyclic number.

It is not a de Polignac number, because 10321130993 - 2⁸ = 10321130737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10321130693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160565496 + 5160565497.

It is an arithmetic number, because the mean of its divisors is an integer number (5160565497).

Almost surely, 2^10321130993 is an apocalyptic number.

It is an amenable number.

10321130993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321130993 is an equidigital number, since it uses as much as digits as its factorization.

10321130993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The spelling of 10321130993 in words is "ten billion, three hundred twenty-one million, one hundred thirty thousand, nine hundred ninety-three".