231241207 has 2 divisors, whose sum is σ = 231241208. Its totient is φ = 231241206.

The previous prime is 231241193. The next prime is 231241247. The reversal of 231241207 is 702142132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231241207 - 2⁷ = 231241079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231241247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620603 + 115620604.

It is an arithmetic number, because the mean of its divisors is an integer number (115620604).

Almost surely, 2^231241207 is an apocalyptic number.

231241207 is a deficient number, since it is larger than the sum of its proper divisors (1).

231241207 is an equidigital number, since it uses as much as digits as its factorization.

231241207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 231241207 is about 15206.6172109381. The cubic root of 231241207 is about 613.7927333248.

Adding to 231241207 its reverse (702142132), we get a palindrome (933383339).

The spelling of 231241207 in words is "two hundred thirty-one million, two hundred forty-one thousand, two hundred seven".