1313223330165 has 8 divisors (see below), whose sum is σ = 2101157328288. Its totient is φ = 700385776080.

The previous prime is 1313223330157. The next prime is 1313223330197. The reversal of 1313223330165 is 5610333223131.

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

It is not a de Polignac number, because 1313223330165 - 2³ = 1313223330157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43774110991 + ... + 43774111020.

It is an arithmetic number, because the mean of its divisors is an integer number (262644666036).

Almost surely, 2^{1313223330165} is an apocalyptic number.

1313223330165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313223330165 is a deficient number, since it is larger than the sum of its proper divisors (787933998123).

1313223330165 is an equidigital number, since it uses as much as digits as its factorization.

1313223330165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87548222019.

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 1313223330165 its reverse (5610333223131), we get a palindrome (6923556553296).

The spelling of 1313223330165 in words is "one trillion, three hundred thirteen billion, two hundred twenty-three million, three hundred thirty thousand, one hundred sixty-five".