228591131183 has 8 divisors (see below), whose sum is σ = 237859581888. Its totient is φ = 219506214304.

The previous prime is 228591131147. The next prime is 228591131189. The reversal of 228591131183 is 381131195822.

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 228591131183 - 2⁸ = 228591130927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228591131189) 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, 45880916 + ... + 45885897.

It is an arithmetic number, because the mean of its divisors is an integer number (29732447736).

Almost surely, 2^228591131183 is an apocalyptic number.

228591131183 is a deficient number, since it is larger than the sum of its proper divisors (9268450705).

228591131183 is an equidigital number, since it uses as much as digits as its factorization.

228591131183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91766913.

The product of its digits is 103680, while the sum is 44.

The spelling of 228591131183 in words is "two hundred twenty-eight billion, five hundred ninety-one million, one hundred thirty-one thousand, one hundred eighty-three".