1311433313152 has 32 divisors (see below), whose sum is σ = 2612775700080. Its totient is φ = 655677843456.

The previous prime is 1311433313131. The next prime is 1311433313189. The reversal of 1311433313152 is 2513133341131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931773 + ... + 2520835.

Almost surely, 2^{1311433313152} is an apocalyptic number.

It is an amenable number.

1311433313152 is a deficient number, since it is larger than the sum of its proper divisors (1301342386928).

1311433313152 is an equidigital number, since it uses as much as digits as its factorization.

1311433313152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606470 (or 606458 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

Adding to 1311433313152 its reverse (2513133341131), we get a palindrome (3824566654283).

The spelling of 1311433313152 in words is "one trillion, three hundred eleven billion, four hundred thirty-three million, three hundred thirteen thousand, one hundred fifty-two".