210331230130993 has 2 divisors, whose sum is σ = 210331230130994. Its totient is φ = 210331230130992.

The previous prime is 210331230130909. The next prime is 210331230131039. The reversal of 210331230130993 is 399031032133012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204750428664609 + 5580801466384 = 14309103^2 + 2362372^2 .

It is a cyclic number.

It is not a de Polignac number, because 210331230130993 - 2¹³ = 210331230122801 is a prime.

It is not a weakly prime, because it can be changed into another prime (210331230130193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105165615065496 + 105165615065497.

It is an arithmetic number, because the mean of its divisors is an integer number (105165615065497).

Almost surely, 2^{210331230130993} is an apocalyptic number.

It is an amenable number.

210331230130993 is a deficient number, since it is larger than the sum of its proper divisors (1).

210331230130993 is an equidigital number, since it uses as much as digits as its factorization.

210331230130993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 40.

The spelling of 210331230130993 in words is "two hundred ten trillion, three hundred thirty-one billion, two hundred thirty million, one hundred thirty thousand, nine hundred ninety-three".