1305424103239 has 2 divisors, whose sum is σ = 1305424103240. Its totient is φ = 1305424103238.

The previous prime is 1305424103219. The next prime is 1305424103257. The reversal of 1305424103239 is 9323014245031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1305424103239 - 2¹³ = 1305424095047 is a prime.

It is a super-2 number, since 2×1305424103239² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1305424103198 and 1305424103207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1305424103219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652712051619 + 652712051620.

It is an arithmetic number, because the mean of its divisors is an integer number (652712051620).

Almost surely, 2^{1305424103239} is an apocalyptic number.

1305424103239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1305424103239 is an equidigital number, since it uses as much as digits as its factorization.

1305424103239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 1305424103239 in words is "one trillion, three hundred five billion, four hundred twenty-four million, one hundred three thousand, two hundred thirty-nine".