1312313451356 has 24 divisors (see below), whose sum is σ = 2298236908800. Its totient is φ = 655674454512.

The previous prime is 1312313451353. The next prime is 1312313451367. The reversal of 1312313451356 is 6531543132131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312313451353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78165995 + ... + 78182781.

It is an arithmetic number, because the mean of its divisors is an integer number (95759871200).

Almost surely, 2^{1312313451356} is an apocalyptic number.

It is an amenable number.

1312313451356 is a deficient number, since it is larger than the sum of its proper divisors (985923457444).

1312313451356 is a wasteful number, since it uses less digits than its factorization.

1312313451356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29993 (or 29991 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

Adding to 1312313451356 its reverse (6531543132131), we get a palindrome (7843856583487).

The spelling of 1312313451356 in words is "one trillion, three hundred twelve billion, three hundred thirteen million, four hundred fifty-one thousand, three hundred fifty-six".