231343199 has 4 divisors (see below), whose sum is σ = 231428880. Its totient is φ = 231257520.

The previous prime is 231343193. The next prime is 231343201. The reversal of 231343199 is 991343132.

231343199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231343199 - 2¹⁶ = 231277663 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 (231343193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38654 + ... + 44235.

It is an arithmetic number, because the mean of its divisors is an integer number (57857220).

Almost surely, 2^231343199 is an apocalyptic number.

231343199 is a deficient number, since it is larger than the sum of its proper divisors (85681).

231343199 is an equidigital number, since it uses as much as digits as its factorization.

231343199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85680.

The product of its digits is 17496, while the sum is 35.

The square root of 231343199 is about 15209.9703812992. The cubic root of 231343199 is about 613.8829605349.

The spelling of 231343199 in words is "two hundred thirty-one million, three hundred forty-three thousand, one hundred ninety-nine".