1313322111009 has 8 divisors (see below), whose sum is σ = 1945662386720. Its totient is φ = 875548073988.

The previous prime is 1313322111007. The next prime is 1313322111037. The reversal of 1313322111009 is 9001112233131.

1313322111009 is a `hidden beast` number, since 1 + 313 + 32 + 211 + 100 + 9 = 666.

It is not a de Polignac number, because 1313322111009 - 2¹ = 1313322111007 is a prime.

It is a super-2 number, since 2×1313322111009² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48641559667 = 1313322111009 / (1 + 3 + 1 + 3 + 3 + 2 + 2 + 1 + 1 + 1 + 0 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313322111007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24320779807 + ... + 24320779860.

It is an arithmetic number, because the mean of its divisors is an integer number (243207798340).

Almost surely, 2^{1313322111009} is an apocalyptic number.

It is an amenable number.

1313322111009 is a deficient number, since it is larger than the sum of its proper divisors (632340275711).

1313322111009 is an equidigital number, since it uses as much as digits as its factorization.

1313322111009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48641559676 (or 48641559670 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 1313322111009 in words is "one trillion, three hundred thirteen billion, three hundred twenty-two million, one hundred eleven thousand, nine".