231300100002109 has 2 divisors, whose sum is σ = 231300100002110. Its totient is φ = 231300100002108.

The previous prime is 231300100002091. The next prime is 231300100002161. The reversal of 231300100002109 is 901200001003132.

Together with previous prime (231300100002091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230025452228100 + 1274647774009 = 15166590^2 + 1129003^2 .

It is a cyclic number.

It is not a de Polignac number, because 231300100002109 - 2¹¹ = 231300100000061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231300100002109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231300100005109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650050001054 + 115650050001055.

It is an arithmetic number, because the mean of its divisors is an integer number (115650050001055).

Almost surely, 2^{231300100002109} is an apocalyptic number.

It is an amenable number.

231300100002109 is a deficient number, since it is larger than the sum of its proper divisors (1).

231300100002109 is an equidigital number, since it uses as much as digits as its factorization.

231300100002109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 231300100002109 in words is "two hundred thirty-one trillion, three hundred billion, one hundred million, two thousand, one hundred nine".