201323121313 has 8 divisors (see below), whose sum is σ = 208270759680. Its totient is φ = 194375847120.

The previous prime is 201323121253. The next prime is 201323121341. The reversal of 201323121313 is 313121323102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201323121313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201323121113) 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, 1512798 + ... + 1640488.

It is an arithmetic number, because the mean of its divisors is an integer number (26033844960).

Almost surely, 2^201323121313 is an apocalyptic number.

It is an amenable number.

201323121313 is a deficient number, since it is larger than the sum of its proper divisors (6947638367).

201323121313 is a wasteful number, since it uses less digits than its factorization.

201323121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182087.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201323121313 its reverse (313121323102), we get a palindrome (514444444415).

The spelling of 201323121313 in words is "two hundred one billion, three hundred twenty-three million, one hundred twenty-one thousand, three hundred thirteen".