191282342231 has 8 divisors (see below), whose sum is σ = 191529878400. Its totient is φ = 191034867712.

The previous prime is 191282342213. The next prime is 191282342233. The reversal of 191282342231 is 132243282191.

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

It is a cyclic number.

It is not a de Polignac number, because 191282342231 - 2³⁴ = 174102473047 is a prime.

It is a super-2 number, since 2×191282342231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191282342233) 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, 11480795 + ... + 11497443.

It is an arithmetic number, because the mean of its divisors is an integer number (23941234800).

Almost surely, 2^191282342231 is an apocalyptic number.

191282342231 is a deficient number, since it is larger than the sum of its proper divisors (247536169).

191282342231 is a wasteful number, since it uses less digits than its factorization.

191282342231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30825.

The product of its digits is 41472, while the sum is 38.

The spelling of 191282342231 in words is "one hundred ninety-one billion, two hundred eighty-two million, three hundred forty-two thousand, two hundred thirty-one".