1306431516425 has 24 divisors (see below), whose sum is σ = 1852436573376. Its totient is φ = 895337231040.

The previous prime is 1306431516413. The next prime is 1306431516449. The reversal of 1306431516425 is 5246151346031.

It is not a de Polignac number, because 1306431516425 - 2¹⁰ = 1306431515401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1776062 + ... + 2401511.

It is an arithmetic number, because the mean of its divisors is an integer number (77184857224).

Almost surely, 2^{1306431516425} is an apocalyptic number.

It is an amenable number.

1306431516425 is a deficient number, since it is larger than the sum of its proper divisors (546005056951).

1306431516425 is a wasteful number, since it uses less digits than its factorization.

1306431516425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179377 (or 4179372 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 1306431516425 in words is "one trillion, three hundred six billion, four hundred thirty-one million, five hundred sixteen thousand, four hundred twenty-five".