201123311313 has 8 divisors (see below), whose sum is σ = 277411464000. Its totient is φ = 129458683088.

The previous prime is 201123311293. The next prime is 201123311317. The reversal of 201123311313 is 313113321102.

It is a happy number.

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 201123311313 - 2²² = 201119117009 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201123311313.

It is not an unprimeable number, because it can be changed into a prime (201123311317) 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, 1155881013 + ... + 1155881186.

It is an arithmetic number, because the mean of its divisors is an integer number (34676433000).

Almost surely, 2^201123311313 is an apocalyptic number.

It is an amenable number.

201123311313 is a deficient number, since it is larger than the sum of its proper divisors (76288152687).

201123311313 is a wasteful number, since it uses less digits than its factorization.

201123311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311762231.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 201123311313 its reverse (313113321102), we get a palindrome (514236632415).

The spelling of 201123311313 in words is "two hundred one billion, one hundred twenty-three million, three hundred eleven thousand, three hundred thirteen".