1311231546325 has 24 divisors (see below), whose sum is σ = 1647105332480. Its totient is φ = 1035331502400.

The previous prime is 1311231546319. The next prime is 1311231546343. The reversal of 1311231546325 is 5236451321131.

It is not a de Polignac number, because 1311231546325 - 2⁷ = 1311231546197 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5393287 + ... + 5631163.

Almost surely, 2^{1311231546325} is an apocalyptic number.

It is an amenable number.

1311231546325 is a deficient number, since it is larger than the sum of its proper divisors (335873786155).

1311231546325 is a wasteful number, since it uses less digits than its factorization.

1311231546325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240757 (or 240752 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

Adding to 1311231546325 its reverse (5236451321131), we get a palindrome (6547682867456).

The spelling of 1311231546325 in words is "one trillion, three hundred eleven billion, two hundred thirty-one million, five hundred forty-six thousand, three hundred twenty-five".