231420199 has 8 divisors (see below), whose sum is σ = 232657488. Its totient is φ = 230186880.

The previous prime is 231420187. The next prime is 231420221. The reversal of 231420199 is 991024132.

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 231420199 - 2⁷ = 231420071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231420199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231420139) 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, 262239 + ... + 263119.

It is an arithmetic number, because the mean of its divisors is an integer number (29082186).

Almost surely, 2^231420199 is an apocalyptic number.

231420199 is a deficient number, since it is larger than the sum of its proper divisors (1237289).

231420199 is an equidigital number, since it uses as much as digits as its factorization.

231420199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 231420199 is about 15212.5014050944. The cubic root of 231420199 is about 613.9510610090.

The spelling of 231420199 in words is "two hundred thirty-one million, four hundred twenty thousand, one hundred ninety-nine".