1311313315552 has 24 divisors (see below), whose sum is σ = 2592728139456. Its totient is φ = 652842676992.

The previous prime is 1311313315537. The next prime is 1311313315553. The reversal of 1311313315552 is 2555133131131.

It is a super-2 number, since 2×1311313315552² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311313315553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87929328 + ... + 87944239.

It is an arithmetic number, because the mean of its divisors is an integer number (108030339144).

Almost surely, 2^{1311313315552} is an apocalyptic number.

It is an amenable number.

1311313315552 is a deficient number, since it is larger than the sum of its proper divisors (1281414823904).

1311313315552 is a wasteful number, since it uses less digits than its factorization.

1311313315552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175873810 (or 175873802 counting only the distinct ones).

The product of its digits is 20250, while the sum is 34.

Adding to 1311313315552 its reverse (2555133131131), we get a palindrome (3866446446683).

The spelling of 1311313315552 in words is "one trillion, three hundred eleven billion, three hundred thirteen million, three hundred fifteen thousand, five hundred fifty-two".