100031012219 has 2 divisors, whose sum is σ = 100031012220. Its totient is φ = 100031012218.

The previous prime is 100031012209. The next prime is 100031012239. The reversal of 100031012219 is 912210130001.

It is an a-pointer prime, because the next prime (100031012239) can be obtained adding 100031012219 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100031012219 - 2³⁶ = 31311535483 is a prime.

It is a super-2 number, since 2×100031012219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100031012219.

It is not a weakly prime, because it can be changed into another prime (100031012209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50015506109 + 50015506110.

It is an arithmetic number, because the mean of its divisors is an integer number (50015506110).

Almost surely, 2^100031012219 is an apocalyptic number.

100031012219 is a deficient number, since it is larger than the sum of its proper divisors (1).

100031012219 is an equidigital number, since it uses as much as digits as its factorization.

100031012219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 100031012219 in words is "one hundred billion, thirty-one million, twelve thousand, two hundred nineteen".