1315431315265 has 16 divisors (see below), whose sum is σ = 1582338986496. Its totient is φ = 1049797940800.

The previous prime is 1315431315103. The next prime is 1315431315269. The reversal of 1315431315265 is 5625131345131.

It is not a de Polignac number, because 1315431315265 - 2¹⁹ = 1315430790977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315431315269) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26919555 + ... + 26968375.

It is an arithmetic number, because the mean of its divisors is an integer number (98896186656).

Almost surely, 2^{1315431315265} is an apocalyptic number.

It is an amenable number.

1315431315265 is a deficient number, since it is larger than the sum of its proper divisors (266907671231).

1315431315265 is a wasteful number, since it uses less digits than its factorization.

1315431315265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61760.

The product of its digits is 162000, while the sum is 40.

The spelling of 1315431315265 in words is "one trillion, three hundred fifteen billion, four hundred thirty-one million, three hundred fifteen thousand, two hundred sixty-five".