201312311313 has 8 divisors (see below), whose sum is σ = 268481723776. Its totient is φ = 134175553200.

The previous prime is 201312311287. The next prime is 201312311329. The reversal of 201312311313 is 313113213102.

It is a happy number.

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

It is not a de Polignac number, because 201312311313 - 2⁵ = 201312311281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201312311313.

It is not an unprimeable number, because it can be changed into a prime (201312315313) 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, 8149198 + ... + 8173863.

It is an arithmetic number, because the mean of its divisors is an integer number (33560215472).

Almost surely, 2^201312311313 is an apocalyptic number.

It is an amenable number.

201312311313 is a deficient number, since it is larger than the sum of its proper divisors (67169412463).

201312311313 is a wasteful number, since it uses less digits than its factorization.

201312311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327175.

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

Adding to 201312311313 its reverse (313113213102), we get a palindrome (514425524415).

The spelling of 201312311313 in words is "two hundred one billion, three hundred twelve million, three hundred eleven thousand, three hundred thirteen".