201031320113 has 8 divisors (see below), whose sum is σ = 216746143488. Its totient is φ = 185352336144.

The previous prime is 201031320079. The next prime is 201031320121. The reversal of 201031320113 is 311023130102.

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 201031320113 - 2²⁰ = 201030271537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201031320091 and 201031320100.

It is not an unprimeable number, because it can be changed into a prime (201031320013) 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, 8948195 + ... + 8970632.

It is an arithmetic number, because the mean of its divisors is an integer number (27093267936).

Almost surely, 2^201031320113 is an apocalyptic number.

It is an amenable number.

201031320113 is a deficient number, since it is larger than the sum of its proper divisors (15714823375).

201031320113 is a wasteful number, since it uses less digits than its factorization.

201031320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17919703.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201031320113 its reverse (311023130102), we get a palindrome (512054450215).

The spelling of 201031320113 in words is "two hundred one billion, thirty-one million, three hundred twenty thousand, one hundred thirteen".