1313304021511 has 8 divisors (see below), whose sum is σ = 1319074429680. Its totient is φ = 1307533922112.

The previous prime is 1313304021509. The next prime is 1313304021541. The reversal of 1313304021511 is 1151204033131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313304021511 - 2¹ = 1313304021509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313304021541) 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, 14317851 + ... + 14409283.

It is an arithmetic number, because the mean of its divisors is an integer number (164884303710).

Almost surely, 2^{1313304021511} is an apocalyptic number.

1313304021511 is a deficient number, since it is larger than the sum of its proper divisors (5770408169).

1313304021511 is an equidigital number, since it uses as much as digits as its factorization.

1313304021511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154385.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 1313304021511 its reverse (1151204033131), we get a palindrome (2464508054642).

The spelling of 1313304021511 in words is "one trillion, three hundred thirteen billion, three hundred four million, twenty-one thousand, five hundred eleven".