201231303100101 has 12 divisors (see below), whose sum is σ = 290668633281312. Its totient is φ = 134153650311336.

The previous prime is 201231303100099. The next prime is 201231303100133. The reversal of 201231303100101 is 101001303132102.

201231303100101 is a `hidden beast` number, since 2 + 0 + 123 + 130 + 310 + 0 + 101 = 666.

It is not a de Polignac number, because 201231303100101 - 2¹ = 201231303100099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231303100171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43663641 + ... + 48051806.

It is an arithmetic number, because the mean of its divisors is an integer number (24222386106776).

Almost surely, 2^{201231303100101} is an apocalyptic number.

It is an amenable number.

201231303100101 is a deficient number, since it is larger than the sum of its proper divisors (89437330181211).

201231303100101 is a wasteful number, since it uses less digits than its factorization.

201231303100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91959240 (or 91959237 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 201231303100101 its reverse (101001303132102), we get a palindrome (302232606232203).

The spelling of 201231303100101 in words is "two hundred one trillion, two hundred thirty-one billion, three hundred three million, one hundred thousand, one hundred one".