231303021199 has 4 divisors (see below), whose sum is σ = 243476864440. Its totient is φ = 219129177960.

The previous prime is 231303021181. The next prime is 231303021251. The reversal of 231303021199 is 991120303132.

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 231303021199 - 2¹⁹ = 231302496911 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 (231303021799) 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, 6086921592 + ... + 6086921629.

It is an arithmetic number, because the mean of its divisors is an integer number (60869216110).

Almost surely, 2^231303021199 is an apocalyptic number.

231303021199 is a deficient number, since it is larger than the sum of its proper divisors (12173843241).

231303021199 is a wasteful number, since it uses less digits than its factorization.

231303021199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12173843240.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 231303021199 in words is "two hundred thirty-one billion, three hundred three million, twenty-one thousand, one hundred ninety-nine".