309019219101 has 8 divisors (see below), whose sum is σ = 457806250560. Its totient is φ = 206012812716.

The previous prime is 309019219099. The next prime is 309019219109. The reversal of 309019219101 is 101912910903.

It is not a de Polignac number, because 309019219101 - 2¹ = 309019219099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309019219109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722578105 + ... + 5722578158.

It is an arithmetic number, because the mean of its divisors is an integer number (57225781320).

Almost surely, 2^309019219101 is an apocalyptic number.

It is an amenable number.

309019219101 is a deficient number, since it is larger than the sum of its proper divisors (148787031459).

309019219101 is a wasteful number, since it uses less digits than its factorization.

309019219101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445156272 (or 11445156266 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The spelling of 309019219101 in words is "three hundred nine billion, nineteen million, two hundred nineteen thousand, one hundred one".