201310323113 has 4 divisors (see below), whose sum is σ = 202037075460. Its totient is φ = 200583570768.

The previous prime is 201310323079. The next prime is 201310323131. The reversal of 201310323113 is 311323013102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91731448384 + 109578874729 = 302872^2 + 331027^2 .

It is a cyclic number.

It is not a de Polignac number, because 201310323113 - 2¹² = 201310319017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201310623113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363375758 + ... + 363376311.

It is an arithmetic number, because the mean of its divisors is an integer number (50509268865).

Almost surely, 2^201310323113 is an apocalyptic number.

It is an amenable number.

201310323113 is a deficient number, since it is larger than the sum of its proper divisors (726752347).

201310323113 is an equidigital number, since it uses as much as digits as its factorization.

201310323113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726752346.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201310323113 its reverse (311323013102), we get a palindrome (512633336215).

The spelling of 201310323113 in words is "two hundred one billion, three hundred ten million, three hundred twenty-three thousand, one hundred thirteen".