231300617 has 2 divisors, whose sum is σ = 231300618. Its totient is φ = 231300616.

The previous prime is 231300577. The next prime is 231300631. The reversal of 231300617 is 716003132.

It is a happy number.

231300617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157151296 + 74149321 = 12536^2 + 8611^2 .

It is a cyclic number.

It is not a de Polignac number, because 231300617 - 2¹² = 231296521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231300592 and 231300601.

It is not a weakly prime, because it can be changed into another prime (231300637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115650308 + 115650309.

It is an arithmetic number, because the mean of its divisors is an integer number (115650309).

Almost surely, 2^231300617 is an apocalyptic number.

It is an amenable number.

231300617 is a deficient number, since it is larger than the sum of its proper divisors (1).

231300617 is an equidigital number, since it uses as much as digits as its factorization.

231300617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 231300617 is about 15208.5705113926. The cubic root of 231300617 is about 613.8452935992.

Adding to 231300617 its reverse (716003132), we get a palindrome (947303749).

The spelling of 231300617 in words is "two hundred thirty-one million, three hundred thousand, six hundred seventeen".