231203341247 has 2 divisors, whose sum is σ = 231203341248. Its totient is φ = 231203341246.

The previous prime is 231203341219. The next prime is 231203341289. The reversal of 231203341247 is 742143302132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231203341247 - 2⁶ = 231203341183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231203341147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115601670623 + 115601670624.

It is an arithmetic number, because the mean of its divisors is an integer number (115601670624).

Almost surely, 2^231203341247 is an apocalyptic number.

231203341247 is a deficient number, since it is larger than the sum of its proper divisors (1).

231203341247 is an equidigital number, since it uses as much as digits as its factorization.

231203341247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 231203341247 its reverse (742143302132), we get a palindrome (973346643379).

The spelling of 231203341247 in words is "two hundred thirty-one billion, two hundred three million, three hundred forty-one thousand, two hundred forty-seven".