1320513314751 has 24 divisors (see below), whose sum is σ = 1934360348544. Its totient is φ = 867903840720.

The previous prime is 1320513314689. The next prime is 1320513314767. The reversal of 1320513314751 is 1574133150231.

1320513314751 is a `hidden beast` number, since 1 + 3 + 20 + 513 + 31 + 47 + 51 = 666.

It is not a de Polignac number, because 1320513314751 - 2⁷ = 1320513314623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320513314051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23094940 + ... + 23152046.

It is an arithmetic number, because the mean of its divisors is an integer number (80598347856).

Almost surely, 2^{1320513314751} is an apocalyptic number.

1320513314751 is a deficient number, since it is larger than the sum of its proper divisors (613847033793).

1320513314751 is a wasteful number, since it uses less digits than its factorization.

1320513314751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93371 (or 93368 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

Adding to 1320513314751 its reverse (1574133150231), we get a palindrome (2894646464982).

The spelling of 1320513314751 in words is "one trillion, three hundred twenty billion, five hundred thirteen million, three hundred fourteen thousand, seven hundred fifty-one".