231241203199 has 4 divisors (see below), whose sum is σ = 231244264120. Its totient is φ = 231238142280.

The previous prime is 231241203173. The next prime is 231241203209. The reversal of 231241203199 is 991302142132.

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 231241203199 - 2³¹ = 229093719551 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 (231241203169) 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, 1414197 + ... + 1569214.

It is an arithmetic number, because the mean of its divisors is an integer number (57811066030).

Almost surely, 2^231241203199 is an apocalyptic number.

231241203199 is a deficient number, since it is larger than the sum of its proper divisors (3060921).

231241203199 is an equidigital number, since it uses as much as digits as its factorization.

231241203199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3060920.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 231241203199 in words is "two hundred thirty-one billion, two hundred forty-one million, two hundred three thousand, one hundred ninety-nine".