100031332019909 has 2 divisors, whose sum is σ = 100031332019910. Its totient is φ = 100031332019908.

The previous prime is 100031332019897. The next prime is 100031332020023. The reversal of 100031332019909 is 909910233130001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91129743516100 + 8901588503809 = 9546190^2 + 2983553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100031332019909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100031332069909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50015666009954 + 50015666009955.

It is an arithmetic number, because the mean of its divisors is an integer number (50015666009955).

Almost surely, 2^{100031332019909} is an apocalyptic number.

It is an amenable number.

100031332019909 is a deficient number, since it is larger than the sum of its proper divisors (1).

100031332019909 is an equidigital number, since it uses as much as digits as its factorization.

100031332019909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 41.

The spelling of 100031332019909 in words is "one hundred trillion, thirty-one billion, three hundred thirty-two million, nineteen thousand, nine hundred nine".