231340199 has 4 divisors (see below), whose sum is σ = 244948464. Its totient is φ = 217731936.

The previous prime is 231340171. The next prime is 231340229. The reversal of 231340199 is 991043132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231340199 - 2²⁴ = 214562983 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 (231340699) 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 3 ways as a sum of consecutive naturals, for example, 6804107 + ... + 6804140.

It is an arithmetic number, because the mean of its divisors is an integer number (61237116).

Almost surely, 2^231340199 is an apocalyptic number.

231340199 is a deficient number, since it is larger than the sum of its proper divisors (13608265).

231340199 is a wasteful number, since it uses less digits than its factorization.

231340199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608264.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 231340199 is about 15209.8717614581. The cubic root of 231340199 is about 613.8803069639.

The spelling of 231340199 in words is "two hundred thirty-one million, three hundred forty thousand, one hundred ninety-nine".