231907201 has 8 divisors (see below), whose sum is σ = 234449600. Its totient is φ = 229372560.

The previous prime is 231907189. The next prime is 231907219. The reversal of 231907201 is 102709132.

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 231907201 - 2¹⁹ = 231382913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231907241) 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, 73780 + ... + 76858.

It is an arithmetic number, because the mean of its divisors is an integer number (29306200).

Almost surely, 2^231907201 is an apocalyptic number.

It is an amenable number.

231907201 is a deficient number, since it is larger than the sum of its proper divisors (2542399).

231907201 is a wasteful number, since it uses less digits than its factorization.

231907201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 231907201 is about 15228.4996306268. The cubic root of 231907201 is about 614.3814266453.

The spelling of 231907201 in words is "two hundred thirty-one million, nine hundred seven thousand, two hundred one".