201230202113 has 4 divisors (see below), whose sum is σ = 201806793300. Its totient is φ = 200653610928.

The previous prime is 201230202109. The next prime is 201230202163. The reversal of 201230202113 is 311202032102.

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 103055766529 + 98174435584 = 321023^2 + 313328^2 .

It is a cyclic number.

It is not a de Polignac number, because 201230202113 - 2² = 201230202109 is a prime.

It is a super-3 number, since 3×201230202113³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201230202091 and 201230202100.

It is not an unprimeable number, because it can be changed into a prime (201230202163) 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, 288295070 + ... + 288295767.

It is an arithmetic number, because the mean of its divisors is an integer number (50451698325).

Almost surely, 2^201230202113 is an apocalyptic number.

It is an amenable number.

201230202113 is a deficient number, since it is larger than the sum of its proper divisors (576591187).

201230202113 is an equidigital number, since it uses as much as digits as its factorization.

201230202113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576591186.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201230202113 its reverse (311202032102), we get a palindrome (512432234215).

The spelling of 201230202113 in words is "two hundred one billion, two hundred thirty million, two hundred two thousand, one hundred thirteen".