231244303247 has 2 divisors, whose sum is σ = 231244303248. Its totient is φ = 231244303246.

The previous prime is 231244303201. The next prime is 231244303249. The reversal of 231244303247 is 742303442132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231244303247 - 2¹⁴ = 231244286863 is a prime.

Together with 231244303249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231244303249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115622151623 + 115622151624.

It is an arithmetic number, because the mean of its divisors is an integer number (115622151624).

Almost surely, 2^231244303247 is an apocalyptic number.

231244303247 is a deficient number, since it is larger than the sum of its proper divisors (1).

231244303247 is an equidigital number, since it uses as much as digits as its factorization.

231244303247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 231244303247 its reverse (742303442132), we get a palindrome (973547745379).

The spelling of 231244303247 in words is "two hundred thirty-one billion, two hundred forty-four million, three hundred three thousand, two hundred forty-seven".