1305312342325 has 12 divisors (see below), whose sum is σ = 1674400660740. Its totient is φ = 1008241256960.

The previous prime is 1305312342311. The next prime is 1305312342353. The reversal of 1305312342325 is 5232432135031.

It can be written as a sum of positive squares in 6 ways, for example, as 20449286001 + 1284863056324 = 143001^2 + 1133518^2 .

It is not a de Polignac number, because 1305312342325 - 2⁵ = 1305312342293 is a prime.

It is a super-2 number, since 2×1305312342325² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900214684 + ... + 900216133.

It is an arithmetic number, because the mean of its divisors is an integer number (139533388395).

Almost surely, 2^{1305312342325} is an apocalyptic number.

It is an amenable number.

1305312342325 is a deficient number, since it is larger than the sum of its proper divisors (369088318415).

1305312342325 is a wasteful number, since it uses less digits than its factorization.

1305312342325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800430856 (or 1800430851 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 1305312342325 its reverse (5232432135031), we get a palindrome (6537744477356).

The spelling of 1305312342325 in words is "one trillion, three hundred five billion, three hundred twelve million, three hundred forty-two thousand, three hundred twenty-five".