231189119 has 8 divisors (see below), whose sum is σ = 270660768. Its totient is φ = 193328640.

The previous prime is 231189107. The next prime is 231189139. The reversal of 231189119 is 911981132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231189119 is a prime.

It is a super-2 number, since 2×231189119² = 106896817487992322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231189139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402482 + ... + 403055.

It is an arithmetic number, because the mean of its divisors is an integer number (33832596).

Almost surely, 2^231189119 is an apocalyptic number.

231189119 is a deficient number, since it is larger than the sum of its proper divisors (39471649).

231189119 is an equidigital number, since it uses as much as digits as its factorization.

231189119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805585.

The product of its digits is 3888, while the sum is 35.

The square root of 231189119 is about 15204.9044390289. The cubic root of 231189119 is about 613.7466434473.

The spelling of 231189119 in words is "two hundred thirty-one million, one hundred eighty-nine thousand, one hundred nineteen".