19109454830131 has 32 divisors (see below), whose sum is σ = 20474444390400. Its totient is φ = 17772178291200.

The previous prime is 19109454830077. The next prime is 19109454830143. The reversal of 19109454830131 is 13103845490191.

It is a cyclic number.

It is not a de Polignac number, because 19109454830131 - 2³¹ = 19107307346483 is a prime.

It is a super-2 number, since 2×19109454830131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19109454230131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1453073406 + ... + 1453086556.

It is an arithmetic number, because the mean of its divisors is an integer number (639826387200).

Almost surely, 2^{19109454830131} is an apocalyptic number.

19109454830131 is a deficient number, since it is larger than the sum of its proper divisors (1364989560269).

19109454830131 is a wasteful number, since it uses less digits than its factorization.

19109454830131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15339.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 19109454830131 in words is "nineteen trillion, one hundred nine billion, four hundred fifty-four million, eight hundred thirty thousand, one hundred thirty-one".