231219173829 has 8 divisors (see below), whose sum is σ = 352333979200. Its totient is φ = 132125242176.

The previous prime is 231219173789. The next prime is 231219173849. The reversal of 231219173829 is 928371912132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231219173829 - 2⁷ = 231219173701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231219173849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505218404 + ... + 5505218445.

It is an arithmetic number, because the mean of its divisors is an integer number (44041747400).

Almost surely, 2^231219173829 is an apocalyptic number.

It is an amenable number.

231219173829 is a deficient number, since it is larger than the sum of its proper divisors (121114805371).

231219173829 is a wasteful number, since it uses less digits than its factorization.

231219173829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010436859.

The product of its digits is 326592, while the sum is 48.

It can be divided in two parts, 2312191 and 73829, that added together give a triangular number (2386020 = T₂₁₈₄).

The spelling of 231219173829 in words is "two hundred thirty-one billion, two hundred nineteen million, one hundred seventy-three thousand, eight hundred twenty-nine".