231223215241 has 2 divisors, whose sum is σ = 231223215242. Its totient is φ = 231223215240.

The previous prime is 231223215227. The next prime is 231223215257. The reversal of 231223215241 is 142512322132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135445344841 + 95777870400 = 368029^2 + 309480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231223215241 is a prime.

It is not a weakly prime, because it can be changed into another prime (231223225241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611607620 + 115611607621.

It is an arithmetic number, because the mean of its divisors is an integer number (115611607621).

Almost surely, 2^231223215241 is an apocalyptic number.

It is an amenable number.

231223215241 is a deficient number, since it is larger than the sum of its proper divisors (1).

231223215241 is an equidigital number, since it uses as much as digits as its factorization.

231223215241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

Adding to 231223215241 its reverse (142512322132), we get a palindrome (373735537373).

The spelling of 231223215241 in words is "two hundred thirty-one billion, two hundred twenty-three million, two hundred fifteen thousand, two hundred forty-one".