1320411440313 has 16 divisors (see below), whose sum is σ = 2235617253760. Its totient is φ = 754520822928.

The previous prime is 1320411440273. The next prime is 1320411440317. The reversal of 1320411440313 is 3130441140231.

1320411440313 is a `hidden beast` number, since 1 + 3 + 204 + 1 + 1 + 440 + 3 + 13 = 666.

It is not a de Polignac number, because 1320411440313 - 2¹⁸ = 1320411178169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320411440317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3493151770 + ... + 3493152147.

It is an arithmetic number, because the mean of its divisors is an integer number (139726078360).

Almost surely, 2^{1320411440313} is an apocalyptic number.

It is an amenable number.

1320411440313 is a deficient number, since it is larger than the sum of its proper divisors (915205813447).

1320411440313 is an equidigital number, since it uses as much as digits as its factorization.

1320411440313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986303933 (or 6986303927 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1320411440313 its reverse (3130441140231), we get a palindrome (4450852580544).

The spelling of 1320411440313 in words is "one trillion, three hundred twenty billion, four hundred eleven million, four hundred forty thousand, three hundred thirteen".