10305240427 has 2 divisors, whose sum is σ = 10305240428. Its totient is φ = 10305240426.

The previous prime is 10305240389. The next prime is 10305240433. The reversal of 10305240427 is 72404250301.

It is a strong prime.

It is an emirp because it is prime and its reverse (72404250301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10305240427 - 2³¹ = 8157756779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10305240395 and 10305240404.

It is not a weakly prime, because it can be changed into another prime (10305240497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5152620213 + 5152620214.

It is an arithmetic number, because the mean of its divisors is an integer number (5152620214).

Almost surely, 2^10305240427 is an apocalyptic number.

10305240427 is a deficient number, since it is larger than the sum of its proper divisors (1).

10305240427 is an equidigital number, since it uses as much as digits as its factorization.

10305240427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

Adding to 10305240427 its reverse (72404250301), we get a palindrome (82709490728).

The spelling of 10305240427 in words is "ten billion, three hundred five million, two hundred forty thousand, four hundred twenty-seven".