1305425331513 has 12 divisors (see below), whose sum is σ = 1896148528560. Its totient is φ = 865421633976.

The previous prime is 1305425331503. The next prime is 1305425331533. The reversal of 1305425331513 is 3151335245031.

1305425331513 is a `hidden beast` number, since 1 + 30 + 5 + 42 + 533 + 1 + 51 + 3 = 666.

It is not a de Polignac number, because 1305425331513 - 2⁵ = 1305425331481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1305425331503) 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 in 11 ways as a sum of consecutive naturals, for example, 405158331 + ... + 405161552.

It is an arithmetic number, because the mean of its divisors is an integer number (158012377380).

Almost surely, 2^{1305425331513} is an apocalyptic number.

It is an amenable number.

1305425331513 is a deficient number, since it is larger than the sum of its proper divisors (590723197047).

1305425331513 is a wasteful number, since it uses less digits than its factorization.

1305425331513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810320068 (or 810320065 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The spelling of 1305425331513 in words is "one trillion, three hundred five billion, four hundred twenty-five million, three hundred thirty-one thousand, five hundred thirteen".